71878280

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{2903}}^1$

素因数の和:3533

約数の個数: 32

約数和(自身を含む): 162043200

約数和(自身を除く): 90164920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 1238, 2476, 2903, 3095, 4952, 5806, 6190, 11612, 12380, 14515, 23224, 24760, 29030, 58060, 116120, 1796957, 3593914, 7187828, 8984785, 14375656, 17969570, 35939140, 71878280]

約数ペア:

[(1, 71878280), (2, 35939140), (4, 17969570), (5, 14375656), (8, 8984785), (10, 7187828), (20, 3593914), (40, 1796957), (619, 116120), (1238, 58060), (2476, 29030), (2903, 24760), (3095, 23224), (4952, 14515), (5806, 12380), (6190, 11612)]