72075280

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{8747}}^1$

素因数の和:8863

約数の個数: 40

約数和(自身を含む): 169221312

約数和(自身を除く): 97146032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 8747, 17494, 34988, 43735, 69976, 87470, 139952, 174940, 349880, 699760, 900941, 1801882, 3603764, 4504705, 7207528, 9009410, 14415056, 18018820, 36037640, 72075280]

約数ペア:

[(1, 72075280), (2, 36037640), (4, 18018820), (5, 14415056), (8, 9009410), (10, 7207528), (16, 4504705), (20, 3603764), (40, 1801882), (80, 900941), (103, 699760), (206, 349880), (412, 174940), (515, 139952), (824, 87470), (1030, 69976), (1648, 43735), (2060, 34988), (4120, 17494), (8240, 8747)]