13661440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 35283528

約数和(自身を除く): 21622088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 821, 832, 1040, 1280, 1642, 1664, 2080, 3284, 3328, 4105, 4160, 6568, 8210, 8320, 10673, 13136, 16420, 16640, 21346, 26272, 32840, 42692, 52544, 53365, 65680, 85384, 105088, 106730, 131360, 170768, 210176, 213460, 262720, 341536, 426920, 525440, 683072, 853840, 1050880, 1366144, 1707680, 2732288, 3415360, 6830720, 13661440]

約数ペア:

[(1, 13661440), (2, 6830720), (4, 3415360), (5, 2732288), (8, 1707680), (10, 1366144), (13, 1050880), (16, 853840), (20, 683072), (26, 525440), (32, 426920), (40, 341536), (52, 262720), (64, 213460), (65, 210176), (80, 170768), (104, 131360), (128, 106730), (130, 105088), (160, 85384), (208, 65680), (256, 53365), (260, 52544), (320, 42692), (416, 32840), (520, 26272), (640, 21346), (821, 16640), (832, 16420), (1040, 13136), (1280, 10673), (1642, 8320), (1664, 8210), (2080, 6568), (3284, 4160), (3328, 4105)]