90297920

素因数分解:

$2^6\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1049}}^1$

素因数の和:1335

約数の個数: 56

約数和(自身を含む): 216027000

約数和(自身を除く): 125729080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 269, 320, 538, 1049, 1076, 1345, 2098, 2152, 2690, 4196, 4304, 5245, 5380, 8392, 8608, 10490, 10760, 16784, 17216, 20980, 21520, 33568, 41960, 43040, 67136, 83920, 86080, 167840, 282181, 335680, 564362, 1128724, 1410905, 2257448, 2821810, 4514896, 5643620, 9029792, 11287240, 18059584, 22574480, 45148960, 90297920]

約数ペア:

[(1, 90297920), (2, 45148960), (4, 22574480), (5, 18059584), (8, 11287240), (10, 9029792), (16, 5643620), (20, 4514896), (32, 2821810), (40, 2257448), (64, 1410905), (80, 1128724), (160, 564362), (269, 335680), (320, 282181), (538, 167840), (1049, 86080), (1076, 83920), (1345, 67136), (2098, 43040), (2152, 41960), (2690, 33568), (4196, 21520), (4304, 20980), (5245, 17216), (5380, 16784), (8392, 10760), (8608, 10490)]