312640

素因数分解:

$2^6\times 5^1\times {\mathrm{977}}^1$

素因数の和:994

約数の個数: 28

約数和(自身を含む): 745236

約数和(自身を除く): 432596

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 977, 1954, 3908, 4885, 7816, 9770, 15632, 19540, 31264, 39080, 62528, 78160, 156320, 312640]

約数ペア:

[(1, 312640), (2, 156320), (4, 78160), (5, 62528), (8, 39080), (10, 31264), (16, 19540), (20, 15632), (32, 9770), (40, 7816), (64, 4885), (80, 3908), (160, 1954), (320, 977)]