72689480

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{23003}}^1$

素因数の和:23093

約数の個数: 32

約数和(自身を含む): 165628800

約数和(自身を除く): 92939320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 23003, 46006, 92012, 115015, 184024, 230030, 460060, 920120, 1817237, 3634474, 7268948, 9086185, 14537896, 18172370, 36344740, 72689480]

約数ペア:

[(1, 72689480), (2, 36344740), (4, 18172370), (5, 14537896), (8, 9086185), (10, 7268948), (20, 3634474), (40, 1817237), (79, 920120), (158, 460060), (316, 230030), (395, 184024), (632, 115015), (790, 92012), (1580, 46006), (3160, 23003)]