79447420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9857}}^1$

素因数の和:9910

約数の個数: 48

約数和(自身を含む): 185488128

約数和(自身を除く): 106040708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 9857, 19714, 39428, 49285, 98570, 128141, 197140, 256282, 305567, 512564, 611134, 640705, 1222268, 1281410, 1527835, 2562820, 3055670, 3972371, 6111340, 7944742, 15889484, 19861855, 39723710, 79447420]

約数ペア:

[(1, 79447420), (2, 39723710), (4, 19861855), (5, 15889484), (10, 7944742), (13, 6111340), (20, 3972371), (26, 3055670), (31, 2562820), (52, 1527835), (62, 1281410), (65, 1222268), (124, 640705), (130, 611134), (155, 512564), (260, 305567), (310, 256282), (403, 197140), (620, 128141), (806, 98570), (1612, 49285), (2015, 39428), (4030, 19714), (8060, 9857)]