3938860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6353}}^1$

素因数の和:6393

約数の個数: 24

約数和(自身を含む): 8539776

約数和(自身を除く): 4600916

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 6353, 12706, 25412, 31765, 63530, 127060, 196943, 393886, 787772, 984715, 1969430, 3938860]

約数ペア:

[(1, 3938860), (2, 1969430), (4, 984715), (5, 787772), (10, 393886), (20, 196943), (31, 127060), (62, 63530), (124, 31765), (155, 25412), (310, 12706), (620, 6353)]