42516920

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6521}}^1$

素因数の和:6695

約数の個数: 32

約数和(自身を含む): 96264720

約数和(自身を除く): 53747800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 6521, 13042, 26084, 32605, 52168, 65210, 130420, 260840, 1062923, 2125846, 4251692, 5314615, 8503384, 10629230, 21258460, 42516920]

約数ペア:

[(1, 42516920), (2, 21258460), (4, 10629230), (5, 8503384), (8, 5314615), (10, 4251692), (20, 2125846), (40, 1062923), (163, 260840), (326, 130420), (652, 65210), (815, 52168), (1304, 32605), (1630, 26084), (3260, 13042), (6520, 6521)]