846653600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{81409}}^1$

素因数の和:81442

約数の個数: 72

約数和(自身を含む): 2225912220

約数和(自身を除く): 1379258620

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, 1040, 1300, 2080, 2600, 5200, 10400, 81409, 162818, 325636, 407045, 651272, 814090, 1058317, 1302544, 1628180, 2035225, 2116634, 2605088, 3256360, 4070450, 4233268, 5291585, 6512720, 8140900, 8466536, 10583170, 13025440, 16281800, 16933072, 21166340, 26457925, 32563600, 33866144, 42332680, 52915850, 65127200, 84665360, 105831700, 169330720, 211663400, 423326800, 846653600]

約数ペア:

[(1, 846653600), (2, 423326800), (4, 211663400), (5, 169330720), (8, 105831700), (10, 84665360), (13, 65127200), (16, 52915850), (20, 42332680), (25, 33866144), (26, 32563600), (32, 26457925), (40, 21166340), (50, 16933072), (52, 16281800), (65, 13025440), (80, 10583170), (100, 8466536), (104, 8140900), (130, 6512720), (160, 5291585), (200, 4233268), (208, 4070450), (260, 3256360), (325, 2605088), (400, 2116634), (416, 2035225), (520, 1628180), (650, 1302544), (800, 1058317), (1040, 814090), (1300, 651272), (2080, 407045), (2600, 325636), (5200, 162818), (10400, 81409)]