68839840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13879}}^1$

素因数の和:13925

約数の個数: 48

約数和(自身を含む): 167892480

約数和(自身を除く): 99052640

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, 13879, 27758, 55516, 69395, 111032, 138790, 222064, 277580, 430249, 444128, 555160, 860498, 1110320, 1720996, 2151245, 2220640, 3441992, 4302490, 6883984, 8604980, 13767968, 17209960, 34419920, 68839840]

約数ペア:

[(1, 68839840), (2, 34419920), (4, 17209960), (5, 13767968), (8, 8604980), (10, 6883984), (16, 4302490), (20, 3441992), (31, 2220640), (32, 2151245), (40, 1720996), (62, 1110320), (80, 860498), (124, 555160), (155, 444128), (160, 430249), (248, 277580), (310, 222064), (496, 138790), (620, 111032), (992, 69395), (1240, 55516), (2480, 27758), (4960, 13879)]