89489920

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2689}}^1$

素因数の和:2725

約数の個数: 80

約数和(自身を含む): 231157080

約数和(自身を除く): 141667160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 2689, 3328, 4160, 5378, 6656, 8320, 10756, 13445, 16640, 21512, 26890, 33280, 34957, 43024, 53780, 69914, 86048, 107560, 139828, 172096, 174785, 215120, 279656, 344192, 349570, 430240, 559312, 688384, 699140, 860480, 1118624, 1376768, 1398280, 1720960, 2237248, 2796560, 3441920, 4474496, 5593120, 6883840, 8948992, 11186240, 17897984, 22372480, 44744960, 89489920]

約数ペア:

[(1, 89489920), (2, 44744960), (4, 22372480), (5, 17897984), (8, 11186240), (10, 8948992), (13, 6883840), (16, 5593120), (20, 4474496), (26, 3441920), (32, 2796560), (40, 2237248), (52, 1720960), (64, 1398280), (65, 1376768), (80, 1118624), (104, 860480), (128, 699140), (130, 688384), (160, 559312), (208, 430240), (256, 349570), (260, 344192), (320, 279656), (416, 215120), (512, 174785), (520, 172096), (640, 139828), (832, 107560), (1040, 86048), (1280, 69914), (1664, 53780), (2080, 43024), (2560, 34957), (2689, 33280), (3328, 26890), (4160, 21512), (5378, 16640), (6656, 13445), (8320, 10756)]