39441920

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 160

約数和(自身を含む): 113135616

約数和(自身を除く): 73693696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 71, 80, 112, 124, 128, 140, 142, 155, 160, 217, 224, 248, 256, 280, 284, 310, 320, 355, 434, 448, 496, 497, 512, 560, 568, 620, 640, 710, 868, 896, 992, 994, 1085, 1120, 1136, 1240, 1280, 1420, 1736, 1792, 1984, 1988, 2170, 2201, 2240, 2272, 2480, 2485, 2560, 2840, 3472, 3584, 3968, 3976, 4340, 4402, 4480, 4544, 4960, 4970, 5680, 6944, 7936, 7952, 8680, 8804, 8960, 9088, 9920, 9940, 11005, 11360, 13888, 15407, 15872, 15904, 17360, 17608, 17920, 18176, 19840, 19880, 22010, 22720, 27776, 30814, 31808, 34720, 35216, 36352, 39680, 39760, 44020, 45440, 55552, 61628, 63616, 69440, 70432, 77035, 79360, 79520, 88040, 90880, 111104, 123256, 127232, 138880, 140864, 154070, 159040, 176080, 181760, 246512, 254464, 277760, 281728, 308140, 318080, 352160, 493024, 555520, 563456, 616280, 636160, 704320, 986048, 1126912, 1232560, 1272320, 1408640, 1972096, 2465120, 2817280, 3944192, 4930240, 5634560, 7888384, 9860480, 19720960, 39441920]

約数ペア:

[(1, 39441920), (2, 19720960), (4, 9860480), (5, 7888384), (7, 5634560), (8, 4930240), (10, 3944192), (14, 2817280), (16, 2465120), (20, 1972096), (28, 1408640), (31, 1272320), (32, 1232560), (35, 1126912), (40, 986048), (56, 704320), (62, 636160), (64, 616280), (70, 563456), (71, 555520), (80, 493024), (112, 352160), (124, 318080), (128, 308140), (140, 281728), (142, 277760), (155, 254464), (160, 246512), (217, 181760), (224, 176080), (248, 159040), (256, 154070), (280, 140864), (284, 138880), (310, 127232), (320, 123256), (355, 111104), (434, 90880), (448, 88040), (496, 79520), (497, 79360), (512, 77035), (560, 70432), (568, 69440), (620, 63616), (640, 61628), (710, 55552), (868, 45440), (896, 44020), (992, 39760), (994, 39680), (1085, 36352), (1120, 35216), (1136, 34720), (1240, 31808), (1280, 30814), (1420, 27776), (1736, 22720), (1792, 22010), (1984, 19880), (1988, 19840), (2170, 18176), (2201, 17920), (2240, 17608), (2272, 17360), (2480, 15904), (2485, 15872), (2560, 15407), (2840, 13888), (3472, 11360), (3584, 11005), (3968, 9940), (3976, 9920), (4340, 9088), (4402, 8960), (4480, 8804), (4544, 8680), (4960, 7952), (4970, 7936), (5680, 6944)]