47938640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:480

約数の個数: 80

約数和(自身を含む): 119523600

約数和(自身を除く): 71584960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 101, 136, 170, 202, 272, 340, 349, 404, 505, 680, 698, 808, 1010, 1360, 1396, 1616, 1717, 1745, 2020, 2792, 3434, 3490, 4040, 5584, 5933, 6868, 6980, 8080, 8585, 11866, 13736, 13960, 17170, 23732, 27472, 27920, 29665, 34340, 35249, 47464, 59330, 68680, 70498, 94928, 118660, 137360, 140996, 176245, 237320, 281992, 352490, 474640, 563984, 599233, 704980, 1198466, 1409960, 2396932, 2819920, 2996165, 4793864, 5992330, 9587728, 11984660, 23969320, 47938640]

約数ペア:

[(1, 47938640), (2, 23969320), (4, 11984660), (5, 9587728), (8, 5992330), (10, 4793864), (16, 2996165), (17, 2819920), (20, 2396932), (34, 1409960), (40, 1198466), (68, 704980), (80, 599233), (85, 563984), (101, 474640), (136, 352490), (170, 281992), (202, 237320), (272, 176245), (340, 140996), (349, 137360), (404, 118660), (505, 94928), (680, 70498), (698, 68680), (808, 59330), (1010, 47464), (1360, 35249), (1396, 34340), (1616, 29665), (1717, 27920), (1745, 27472), (2020, 23732), (2792, 17170), (3434, 13960), (3490, 13736), (4040, 11866), (5584, 8585), (5933, 8080), (6868, 6980)]