80559640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6691}}^1$

素因数の和:6752

約数の個数: 64

約数和(自身を含む): 212002560

約数和(自身を除く): 131442920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 6691, 12040, 13382, 26764, 33455, 46837, 53528, 66910, 93674, 133820, 187348, 234185, 267640, 287713, 374696, 468370, 575426, 936740, 1150852, 1438565, 1873480, 2013991, 2301704, 2877130, 4027982, 5754260, 8055964, 10069955, 11508520, 16111928, 20139910, 40279820, 80559640]

約数ペア:

[(1, 80559640), (2, 40279820), (4, 20139910), (5, 16111928), (7, 11508520), (8, 10069955), (10, 8055964), (14, 5754260), (20, 4027982), (28, 2877130), (35, 2301704), (40, 2013991), (43, 1873480), (56, 1438565), (70, 1150852), (86, 936740), (140, 575426), (172, 468370), (215, 374696), (280, 287713), (301, 267640), (344, 234185), (430, 187348), (602, 133820), (860, 93674), (1204, 66910), (1505, 53528), (1720, 46837), (2408, 33455), (3010, 26764), (6020, 13382), (6691, 12040)]