23969320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 57834000

約数和(自身を除く): 33864680

約数列:

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

約数ペア:

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