86782640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4999}}^1$

素因数の和:5050

約数の個数: 80

約数和(自身を含む): 238080000

約数和(自身を除く): 151297360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 4999, 8680, 9998, 17360, 19996, 24995, 34993, 39992, 49990, 69986, 79984, 99980, 139972, 154969, 174965, 199960, 279944, 309938, 349930, 399920, 559888, 619876, 699860, 774845, 1084783, 1239752, 1399720, 1549690, 2169566, 2479504, 2799440, 3099380, 4339132, 5423915, 6198760, 8678264, 10847830, 12397520, 17356528, 21695660, 43391320, 86782640]

約数ペア:

[(1, 86782640), (2, 43391320), (4, 21695660), (5, 17356528), (7, 12397520), (8, 10847830), (10, 8678264), (14, 6198760), (16, 5423915), (20, 4339132), (28, 3099380), (31, 2799440), (35, 2479504), (40, 2169566), (56, 1549690), (62, 1399720), (70, 1239752), (80, 1084783), (112, 774845), (124, 699860), (140, 619876), (155, 559888), (217, 399920), (248, 349930), (280, 309938), (310, 279944), (434, 199960), (496, 174965), (560, 154969), (620, 139972), (868, 99980), (1085, 79984), (1240, 69986), (1736, 49990), (2170, 39992), (2480, 34993), (3472, 24995), (4340, 19996), (4999, 17360), (8680, 9998)]