3966140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6397}}^1$

素因数の和:6437

約数の個数: 24

約数和(自身を含む): 8598912

約数和(自身を除く): 4632772

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 6397, 12794, 25588, 31985, 63970, 127940, 198307, 396614, 793228, 991535, 1983070, 3966140]

約数ペア:

[(1, 3966140), (2, 1983070), (4, 991535), (5, 793228), (10, 396614), (20, 198307), (31, 127940), (62, 63970), (124, 31985), (155, 25588), (310, 12794), (620, 6397)]