61987720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{18671}}^1$

素因数の和:18765

約数の個数: 32

約数和(自身を含む): 141160320

約数和(自身を除く): 79172600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 18671, 37342, 74684, 93355, 149368, 186710, 373420, 746840, 1549693, 3099386, 6198772, 7748465, 12397544, 15496930, 30993860, 61987720]

約数ペア:

[(1, 61987720), (2, 30993860), (4, 15496930), (5, 12397544), (8, 7748465), (10, 6198772), (20, 3099386), (40, 1549693), (83, 746840), (166, 373420), (332, 186710), (415, 149368), (664, 93355), (830, 74684), (1660, 37342), (3320, 18671)]