15825680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15217}}^1$

素因数の和:15243

約数の個数: 40

約数和(自身を含む): 39627672

約数和(自身を除く): 23801992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 15217, 30434, 60868, 76085, 121736, 152170, 197821, 243472, 304340, 395642, 608680, 791284, 989105, 1217360, 1582568, 1978210, 3165136, 3956420, 7912840, 15825680]

約数ペア:

[(1, 15825680), (2, 7912840), (4, 3956420), (5, 3165136), (8, 1978210), (10, 1582568), (13, 1217360), (16, 989105), (20, 791284), (26, 608680), (40, 395642), (52, 304340), (65, 243472), (80, 197821), (104, 152170), (130, 121736), (208, 76085), (260, 60868), (520, 30434), (1040, 15217)]