16506880

素因数分解:

$2^{13}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:75

約数の個数: 112

約数和(自身を含む): 44037504

約数和(自身を除く): 27530624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 512, 520, 620, 640, 806, 832, 992, 1024, 1040, 1240, 1280, 1612, 1664, 1984, 2015, 2048, 2080, 2480, 2560, 3224, 3328, 3968, 4030, 4096, 4160, 4960, 5120, 6448, 6656, 7936, 8060, 8192, 8320, 9920, 10240, 12896, 13312, 15872, 16120, 16640, 19840, 20480, 25792, 26624, 31744, 32240, 33280, 39680, 40960, 51584, 53248, 63488, 64480, 66560, 79360, 103168, 106496, 126976, 128960, 133120, 158720, 206336, 253952, 257920, 266240, 317440, 412672, 515840, 532480, 634880, 825344, 1031680, 1269760, 1650688, 2063360, 3301376, 4126720, 8253440, 16506880]

約数ペア:

[(1, 16506880), (2, 8253440), (4, 4126720), (5, 3301376), (8, 2063360), (10, 1650688), (13, 1269760), (16, 1031680), (20, 825344), (26, 634880), (31, 532480), (32, 515840), (40, 412672), (52, 317440), (62, 266240), (64, 257920), (65, 253952), (80, 206336), (104, 158720), (124, 133120), (128, 128960), (130, 126976), (155, 106496), (160, 103168), (208, 79360), (248, 66560), (256, 64480), (260, 63488), (310, 53248), (320, 51584), (403, 40960), (416, 39680), (496, 33280), (512, 32240), (520, 31744), (620, 26624), (640, 25792), (806, 20480), (832, 19840), (992, 16640), (1024, 16120), (1040, 15872), (1240, 13312), (1280, 12896), (1612, 10240), (1664, 9920), (1984, 8320), (2015, 8192), (2048, 8060), (2080, 7936), (2480, 6656), (2560, 6448), (3224, 5120), (3328, 4960), (3968, 4160), (4030, 4096)]