49590080

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4999}}^1$

素因数の和:5047

約数の個数: 56

約数和(自身を含む): 121920000

約数和(自身を除く): 72329920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 4999, 9920, 9998, 19996, 24995, 39992, 49990, 79984, 99980, 154969, 159968, 199960, 309938, 319936, 399920, 619876, 774845, 799840, 1239752, 1549690, 1599680, 2479504, 3099380, 4959008, 6198760, 9918016, 12397520, 24795040, 49590080]

約数ペア:

[(1, 49590080), (2, 24795040), (4, 12397520), (5, 9918016), (8, 6198760), (10, 4959008), (16, 3099380), (20, 2479504), (31, 1599680), (32, 1549690), (40, 1239752), (62, 799840), (64, 774845), (80, 619876), (124, 399920), (155, 319936), (160, 309938), (248, 199960), (310, 159968), (320, 154969), (496, 99980), (620, 79984), (992, 49990), (1240, 39992), (1984, 24995), (2480, 19996), (4960, 9998), (4999, 9920)]