56545840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54371}}^1$

素因数の和:54397

約数の個数: 40

約数和(自身を含む): 141584688

約数和(自身を除く): 85038848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 54371, 108742, 217484, 271855, 434968, 543710, 706823, 869936, 1087420, 1413646, 2174840, 2827292, 3534115, 4349680, 5654584, 7068230, 11309168, 14136460, 28272920, 56545840]

約数ペア:

[(1, 56545840), (2, 28272920), (4, 14136460), (5, 11309168), (8, 7068230), (10, 5654584), (13, 4349680), (16, 3534115), (20, 2827292), (26, 2174840), (40, 1413646), (52, 1087420), (65, 869936), (80, 706823), (104, 543710), (130, 434968), (208, 271855), (260, 217484), (520, 108742), (1040, 54371)]