12905360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12409}}^1$

素因数の和:12435

約数の個数: 40

約数和(自身を含む): 32315640

約数和(自身を除く): 19410280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12409, 24818, 49636, 62045, 99272, 124090, 161317, 198544, 248180, 322634, 496360, 645268, 806585, 992720, 1290536, 1613170, 2581072, 3226340, 6452680, 12905360]

約数ペア:

[(1, 12905360), (2, 6452680), (4, 3226340), (5, 2581072), (8, 1613170), (10, 1290536), (13, 992720), (16, 806585), (20, 645268), (26, 496360), (40, 322634), (52, 248180), (65, 198544), (80, 161317), (104, 124090), (130, 99272), (208, 62045), (260, 49636), (520, 24818), (1040, 12409)]