72437920

素因数分解:

$2^5\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2711}}^1$

素因数の和:2893

約数の個数: 48

約数和(自身を含む): 172222848

約数和(自身を除く): 99784928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 167, 334, 668, 835, 1336, 1670, 2672, 2711, 3340, 5344, 5422, 6680, 10844, 13360, 13555, 21688, 26720, 27110, 43376, 54220, 86752, 108440, 216880, 433760, 452737, 905474, 1810948, 2263685, 3621896, 4527370, 7243792, 9054740, 14487584, 18109480, 36218960, 72437920]

約数ペア:

[(1, 72437920), (2, 36218960), (4, 18109480), (5, 14487584), (8, 9054740), (10, 7243792), (16, 4527370), (20, 3621896), (32, 2263685), (40, 1810948), (80, 905474), (160, 452737), (167, 433760), (334, 216880), (668, 108440), (835, 86752), (1336, 54220), (1670, 43376), (2672, 27110), (2711, 26720), (3340, 21688), (5344, 13555), (5422, 13360), (6680, 10844)]