69905680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67217}}^1$

素因数の和:67243

約数の個数: 40

約数和(自身を含む): 175035672

約数和(自身を除く): 105129992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 67217, 134434, 268868, 336085, 537736, 672170, 873821, 1075472, 1344340, 1747642, 2688680, 3495284, 4369105, 5377360, 6990568, 8738210, 13981136, 17476420, 34952840, 69905680]

約数ペア:

[(1, 69905680), (2, 34952840), (4, 17476420), (5, 13981136), (8, 8738210), (10, 6990568), (13, 5377360), (16, 4369105), (20, 3495284), (26, 2688680), (40, 1747642), (52, 1344340), (65, 1075472), (80, 873821), (104, 672170), (130, 537736), (208, 336085), (260, 268868), (520, 134434), (1040, 67217)]