61998760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49999}}^1$

素因数の和:50041

約数の個数: 32

約数和(自身を含む): 144000000

約数和(自身を除く): 82001240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 49999, 99998, 199996, 249995, 399992, 499990, 999980, 1549969, 1999960, 3099938, 6199876, 7749845, 12399752, 15499690, 30999380, 61998760]

約数ペア:

[(1, 61998760), (2, 30999380), (4, 15499690), (5, 12399752), (8, 7749845), (10, 6199876), (20, 3099938), (31, 1999960), (40, 1549969), (62, 999980), (124, 499990), (155, 399992), (248, 249995), (310, 199996), (620, 99998), (1240, 49999)]