64914620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{104701}}^1$

素因数の和:104741

約数の個数: 24

約数和(自身を含む): 140719488

約数和(自身を除く): 75804868

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 104701, 209402, 418804, 523505, 1047010, 2094020, 3245731, 6491462, 12982924, 16228655, 32457310, 64914620]

約数ペア:

[(1, 64914620), (2, 32457310), (4, 16228655), (5, 12982924), (10, 6491462), (20, 3245731), (31, 2094020), (62, 1047010), (124, 523505), (155, 418804), (310, 209402), (620, 104701)]