80891200

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3889}}^1$

素因数の和:3924

約数の個数: 84

約数和(自身を含む): 214409020

約数和(自身を除く): 133517820

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 650, 800, 832, 1040, 1300, 1600, 2080, 2600, 3889, 4160, 5200, 7778, 10400, 15556, 19445, 20800, 31112, 38890, 50557, 62224, 77780, 97225, 101114, 124448, 155560, 194450, 202228, 248896, 252785, 311120, 388900, 404456, 505570, 622240, 777800, 808912, 1011140, 1244480, 1263925, 1555600, 1617824, 2022280, 2527850, 3111200, 3235648, 4044560, 5055700, 6222400, 8089120, 10111400, 16178240, 20222800, 40445600, 80891200]

約数ペア:

[(1, 80891200), (2, 40445600), (4, 20222800), (5, 16178240), (8, 10111400), (10, 8089120), (13, 6222400), (16, 5055700), (20, 4044560), (25, 3235648), (26, 3111200), (32, 2527850), (40, 2022280), (50, 1617824), (52, 1555600), (64, 1263925), (65, 1244480), (80, 1011140), (100, 808912), (104, 777800), (130, 622240), (160, 505570), (200, 404456), (208, 388900), (260, 311120), (320, 252785), (325, 248896), (400, 202228), (416, 194450), (520, 155560), (650, 124448), (800, 101114), (832, 97225), (1040, 77780), (1300, 62224), (1600, 50557), (2080, 38890), (2600, 31112), (3889, 20800), (4160, 19445), (5200, 15556), (7778, 10400)]