1911478840

素因数分解:

$2^3\times 5^1\times {\mathrm{11681}}^1\times {\mathrm{4091}}^1$

素因数の和:15783

約数の個数: 32

約数和(自身を含む): 4302246960

約数和(自身を除く): 2390768120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4091, 8182, 11681, 16364, 20455, 23362, 32728, 40910, 46724, 58405, 81820, 93448, 116810, 163640, 233620, 467240, 47786971, 95573942, 191147884, 238934855, 382295768, 477869710, 955739420, 1911478840]

約数ペア:

[(1, 1911478840), (2, 955739420), (4, 477869710), (5, 382295768), (8, 238934855), (10, 191147884), (20, 95573942), (40, 47786971), (4091, 467240), (8182, 233620), (11681, 163640), (16364, 116810), (20455, 93448), (23362, 81820), (32728, 58405), (40910, 46724)]