8538400

素因数分解:

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

素因数の和:854

約数の個数: 72

約数和(自身を含む): 22475124

約数和(自身を除く): 13936724

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 821, 1040, 1300, 1642, 2080, 2600, 3284, 4105, 5200, 6568, 8210, 10400, 10673, 13136, 16420, 20525, 21346, 26272, 32840, 41050, 42692, 53365, 65680, 82100, 85384, 106730, 131360, 164200, 170768, 213460, 266825, 328400, 341536, 426920, 533650, 656800, 853840, 1067300, 1707680, 2134600, 4269200, 8538400]

約数ペア:

[(1, 8538400), (2, 4269200), (4, 2134600), (5, 1707680), (8, 1067300), (10, 853840), (13, 656800), (16, 533650), (20, 426920), (25, 341536), (26, 328400), (32, 266825), (40, 213460), (50, 170768), (52, 164200), (65, 131360), (80, 106730), (100, 85384), (104, 82100), (130, 65680), (160, 53365), (200, 42692), (208, 41050), (260, 32840), (325, 26272), (400, 21346), (416, 20525), (520, 16420), (650, 13136), (800, 10673), (821, 10400), (1040, 8210), (1300, 6568), (1642, 5200), (2080, 4105), (2600, 3284)]