16453840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1217}}^1$

素因数の和:1256

約数の個数: 60

約数和(自身を含む): 41458284

約数和(自身を除く): 25004444

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1217, 1352, 1690, 2434, 2704, 3380, 4868, 6085, 6760, 9736, 12170, 13520, 15821, 19472, 24340, 31642, 48680, 63284, 79105, 97360, 126568, 158210, 205673, 253136, 316420, 411346, 632840, 822692, 1028365, 1265680, 1645384, 2056730, 3290768, 4113460, 8226920, 16453840]

約数ペア:

[(1, 16453840), (2, 8226920), (4, 4113460), (5, 3290768), (8, 2056730), (10, 1645384), (13, 1265680), (16, 1028365), (20, 822692), (26, 632840), (40, 411346), (52, 316420), (65, 253136), (80, 205673), (104, 158210), (130, 126568), (169, 97360), (208, 79105), (260, 63284), (338, 48680), (520, 31642), (676, 24340), (845, 19472), (1040, 15821), (1217, 13520), (1352, 12170), (1690, 9736), (2434, 6760), (2704, 6085), (3380, 4868)]