15695435920

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{820891}}^1$

素因数の和:821143

約数の個数: 40

約数和(自身を含む): 36644618880

約数和(自身を除く): 20949182960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 9560, 19120, 820891, 1641782, 3283564, 4104455, 6567128, 8208910, 13134256, 16417820, 32835640, 65671280, 196192949, 392385898, 784771796, 980964745, 1569543592, 1961929490, 3139087184, 3923858980, 7847717960, 15695435920]

約数ペア:

[(1, 15695435920), (2, 7847717960), (4, 3923858980), (5, 3139087184), (8, 1961929490), (10, 1569543592), (16, 980964745), (20, 784771796), (40, 392385898), (80, 196192949), (239, 65671280), (478, 32835640), (956, 16417820), (1195, 13134256), (1912, 8208910), (2390, 6567128), (3824, 4104455), (4780, 3283564), (9560, 1641782), (19120, 820891)]