862420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 2032128

約数和(自身を除く): 1169708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 107, 124, 130, 155, 214, 260, 310, 403, 428, 535, 620, 806, 1070, 1391, 1612, 2015, 2140, 2782, 3317, 4030, 5564, 6634, 6955, 8060, 13268, 13910, 16585, 27820, 33170, 43121, 66340, 86242, 172484, 215605, 431210, 862420]

約数ペア:

[(1, 862420), (2, 431210), (4, 215605), (5, 172484), (10, 86242), (13, 66340), (20, 43121), (26, 33170), (31, 27820), (52, 16585), (62, 13910), (65, 13268), (107, 8060), (124, 6955), (130, 6634), (155, 5564), (214, 4030), (260, 3317), (310, 2782), (403, 2140), (428, 2015), (535, 1612), (620, 1391), (806, 1070)]