13235140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21347}}^1$

素因数の和:21387

約数の個数: 24

約数和(自身を含む): 28691712

約数和(自身を除く): 15456572

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 21347, 42694, 85388, 106735, 213470, 426940, 661757, 1323514, 2647028, 3308785, 6617570, 13235140]

約数ペア:

[(1, 13235140), (2, 6617570), (4, 3308785), (5, 2647028), (10, 1323514), (20, 661757), (31, 426940), (62, 213470), (124, 106735), (155, 85388), (310, 42694), (620, 21347)]