3954980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6379}}^1$

素因数の和:6419

約数の個数: 24

約数和(自身を含む): 8574720

約数和(自身を除く): 4619740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 6379, 12758, 25516, 31895, 63790, 127580, 197749, 395498, 790996, 988745, 1977490, 3954980]

約数ペア:

[(1, 3954980), (2, 1977490), (4, 988745), (5, 790996), (10, 395498), (20, 197749), (31, 127580), (62, 63790), (124, 31895), (155, 25516), (310, 12758), (620, 6379)]