218310320

素因数分解:

$2^4\times 5^1\times {\mathrm{1637}}^1\times {\mathrm{1667}}^1$

素因数の和:3317

約数の個数: 40

約数和(自身を含む): 508186224

約数和(自身を除く): 289875904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1637, 1667, 3274, 3334, 6548, 6668, 8185, 8335, 13096, 13336, 16370, 16670, 26192, 26672, 32740, 33340, 65480, 66680, 130960, 133360, 2728879, 5457758, 10915516, 13644395, 21831032, 27288790, 43662064, 54577580, 109155160, 218310320]

約数ペア:

[(1, 218310320), (2, 109155160), (4, 54577580), (5, 43662064), (8, 27288790), (10, 21831032), (16, 13644395), (20, 10915516), (40, 5457758), (80, 2728879), (1637, 133360), (1667, 130960), (3274, 66680), (3334, 65480), (6548, 33340), (6668, 32740), (8185, 26672), (8335, 26192), (13096, 16670), (13336, 16370)]