78441760

素因数分解:

$2^5\times 5^1\times {\mathrm{521}}^1\times {\mathrm{941}}^1$

素因数の和:1477

約数の個数: 48

約数和(自身を含む): 185871672

約数和(自身を除く): 107429912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 521, 941, 1042, 1882, 2084, 2605, 3764, 4168, 4705, 5210, 7528, 8336, 9410, 10420, 15056, 16672, 18820, 20840, 30112, 37640, 41680, 75280, 83360, 150560, 490261, 980522, 1961044, 2451305, 3922088, 4902610, 7844176, 9805220, 15688352, 19610440, 39220880, 78441760]

約数ペア:

[(1, 78441760), (2, 39220880), (4, 19610440), (5, 15688352), (8, 9805220), (10, 7844176), (16, 4902610), (20, 3922088), (32, 2451305), (40, 1961044), (80, 980522), (160, 490261), (521, 150560), (941, 83360), (1042, 75280), (1882, 41680), (2084, 37640), (2605, 30112), (3764, 20840), (4168, 18820), (4705, 16672), (5210, 15056), (7528, 10420), (8336, 9410)]