31769440

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 80015040

約数和(自身を除く): 48245600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 89, 92, 97, 115, 160, 178, 184, 194, 230, 356, 368, 388, 445, 460, 485, 712, 736, 776, 890, 920, 970, 1424, 1552, 1780, 1840, 1940, 2047, 2231, 2848, 3104, 3560, 3680, 3880, 4094, 4462, 7120, 7760, 8188, 8633, 8924, 10235, 11155, 14240, 15520, 16376, 17266, 17848, 20470, 22310, 32752, 34532, 35696, 40940, 43165, 44620, 65504, 69064, 71392, 81880, 86330, 89240, 138128, 163760, 172660, 178480, 198559, 276256, 327520, 345320, 356960, 397118, 690640, 794236, 992795, 1381280, 1588472, 1985590, 3176944, 3971180, 6353888, 7942360, 15884720, 31769440]

約数ペア:

[(1, 31769440), (2, 15884720), (4, 7942360), (5, 6353888), (8, 3971180), (10, 3176944), (16, 1985590), (20, 1588472), (23, 1381280), (32, 992795), (40, 794236), (46, 690640), (80, 397118), (89, 356960), (92, 345320), (97, 327520), (115, 276256), (160, 198559), (178, 178480), (184, 172660), (194, 163760), (230, 138128), (356, 89240), (368, 86330), (388, 81880), (445, 71392), (460, 69064), (485, 65504), (712, 44620), (736, 43165), (776, 40940), (890, 35696), (920, 34532), (970, 32752), (1424, 22310), (1552, 20470), (1780, 17848), (1840, 17266), (1940, 16376), (2047, 15520), (2231, 14240), (2848, 11155), (3104, 10235), (3560, 8924), (3680, 8633), (3880, 8188), (4094, 7760), (4462, 7120)]