57782920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{111121}}^1$

素因数の和:111145

約数の個数: 32

約数和(自身を含む): 140013720

約数和(自身を除く): 82230800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 111121, 222242, 444484, 555605, 888968, 1111210, 1444573, 2222420, 2889146, 4444840, 5778292, 7222865, 11556584, 14445730, 28891460, 57782920]

約数ペア:

[(1, 57782920), (2, 28891460), (4, 14445730), (5, 11556584), (8, 7222865), (10, 5778292), (13, 4444840), (20, 2889146), (26, 2222420), (40, 1444573), (52, 1111210), (65, 888968), (104, 555605), (130, 444484), (260, 222242), (520, 111121)]