5221840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5021}}^1$

素因数の和:5047

約数の個数: 40

約数和(自身を含む): 13077288

約数和(自身を除く): 7855448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 5021, 10042, 20084, 25105, 40168, 50210, 65273, 80336, 100420, 130546, 200840, 261092, 326365, 401680, 522184, 652730, 1044368, 1305460, 2610920, 5221840]

約数ペア:

[(1, 5221840), (2, 2610920), (4, 1305460), (5, 1044368), (8, 652730), (10, 522184), (13, 401680), (16, 326365), (20, 261092), (26, 200840), (40, 130546), (52, 100420), (65, 80336), (80, 65273), (104, 50210), (130, 40168), (208, 25105), (260, 20084), (520, 10042), (1040, 5021)]