89740160

素因数分解:

$2^7\times 5^1\times {\mathrm{281}}^1\times {\mathrm{499}}^1$

素因数の和:799

約数の個数: 64

約数和(自身を含む): 215730000

約数和(自身を除く): 125989840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 281, 320, 499, 562, 640, 998, 1124, 1405, 1996, 2248, 2495, 2810, 3992, 4496, 4990, 5620, 7984, 8992, 9980, 11240, 15968, 17984, 19960, 22480, 31936, 35968, 39920, 44960, 63872, 79840, 89920, 140219, 159680, 179840, 280438, 319360, 560876, 701095, 1121752, 1402190, 2243504, 2804380, 4487008, 5608760, 8974016, 11217520, 17948032, 22435040, 44870080, 89740160]

約数ペア:

[(1, 89740160), (2, 44870080), (4, 22435040), (5, 17948032), (8, 11217520), (10, 8974016), (16, 5608760), (20, 4487008), (32, 2804380), (40, 2243504), (64, 1402190), (80, 1121752), (128, 701095), (160, 560876), (281, 319360), (320, 280438), (499, 179840), (562, 159680), (640, 140219), (998, 89920), (1124, 79840), (1405, 63872), (1996, 44960), (2248, 39920), (2495, 35968), (2810, 31936), (3992, 22480), (4496, 19960), (4990, 17984), (5620, 15968), (7984, 11240), (8992, 9980)]