99180160

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4999}}^1$

素因数の和:5049

約数の個数: 64

約数和(自身を含む): 244800000

約数和(自身を除く): 145619840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 4999, 9920, 9998, 19840, 19996, 24995, 39992, 49990, 79984, 99980, 154969, 159968, 199960, 309938, 319936, 399920, 619876, 639872, 774845, 799840, 1239752, 1549690, 1599680, 2479504, 3099380, 3199360, 4959008, 6198760, 9918016, 12397520, 19836032, 24795040, 49590080, 99180160]

約数ペア:

[(1, 99180160), (2, 49590080), (4, 24795040), (5, 19836032), (8, 12397520), (10, 9918016), (16, 6198760), (20, 4959008), (31, 3199360), (32, 3099380), (40, 2479504), (62, 1599680), (64, 1549690), (80, 1239752), (124, 799840), (128, 774845), (155, 639872), (160, 619876), (248, 399920), (310, 319936), (320, 309938), (496, 199960), (620, 159968), (640, 154969), (992, 99980), (1240, 79984), (1984, 49990), (2480, 39992), (3968, 24995), (4960, 19996), (4999, 19840), (9920, 9998)]