31639840

素因数分解:

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

素因数の和:6425

約数の個数: 48

約数和(自身を含む): 77172480

約数和(自身を除く): 45532640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 6379, 12758, 25516, 31895, 51032, 63790, 102064, 127580, 197749, 204128, 255160, 395498, 510320, 790996, 988745, 1020640, 1581992, 1977490, 3163984, 3954980, 6327968, 7909960, 15819920, 31639840]

約数ペア:

[(1, 31639840), (2, 15819920), (4, 7909960), (5, 6327968), (8, 3954980), (10, 3163984), (16, 1977490), (20, 1581992), (31, 1020640), (32, 988745), (40, 790996), (62, 510320), (80, 395498), (124, 255160), (155, 204128), (160, 197749), (248, 127580), (310, 102064), (496, 63790), (620, 51032), (992, 31895), (1240, 25516), (2480, 12758), (4960, 6379)]