25709080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 61560000

約数和(自身を除く): 35850920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 74, 116, 145, 148, 185, 232, 290, 296, 370, 580, 599, 740, 1073, 1160, 1198, 1480, 2146, 2396, 2995, 4292, 4792, 5365, 5990, 8584, 10730, 11980, 17371, 21460, 22163, 23960, 34742, 42920, 44326, 69484, 86855, 88652, 110815, 138968, 173710, 177304, 221630, 347420, 443260, 642727, 694840, 886520, 1285454, 2570908, 3213635, 5141816, 6427270, 12854540, 25709080]

約数ペア:

[(1, 25709080), (2, 12854540), (4, 6427270), (5, 5141816), (8, 3213635), (10, 2570908), (20, 1285454), (29, 886520), (37, 694840), (40, 642727), (58, 443260), (74, 347420), (116, 221630), (145, 177304), (148, 173710), (185, 138968), (232, 110815), (290, 88652), (296, 86855), (370, 69484), (580, 44326), (599, 42920), (740, 34742), (1073, 23960), (1160, 22163), (1198, 21460), (1480, 17371), (2146, 11980), (2396, 10730), (2995, 8584), (4292, 5990), (4792, 5365)]