7902192640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49787}}^1$

素因数の和:49843

約数の個数: 88

約数和(自身を含む): 19567878912

約数和(自身を除く): 11665686272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 5120, 7936, 9920, 15872, 19840, 31744, 39680, 49787, 79360, 99574, 158720, 199148, 248935, 398296, 497870, 796592, 995740, 1543397, 1593184, 1991480, 3086794, 3186368, 3982960, 6173588, 6372736, 7716985, 7965920, 12347176, 12745472, 15433970, 15931840, 24694352, 25490944, 30867940, 31863680, 49388704, 50981888, 61735880, 63727360, 98777408, 123471760, 127454720, 197554816, 246943520, 254909440, 395109632, 493887040, 790219264, 987774080, 1580438528, 1975548160, 3951096320, 7902192640]

約数ペア:

[(1, 7902192640), (2, 3951096320), (4, 1975548160), (5, 1580438528), (8, 987774080), (10, 790219264), (16, 493887040), (20, 395109632), (31, 254909440), (32, 246943520), (40, 197554816), (62, 127454720), (64, 123471760), (80, 98777408), (124, 63727360), (128, 61735880), (155, 50981888), (160, 49388704), (248, 31863680), (256, 30867940), (310, 25490944), (320, 24694352), (496, 15931840), (512, 15433970), (620, 12745472), (640, 12347176), (992, 7965920), (1024, 7716985), (1240, 6372736), (1280, 6173588), (1984, 3982960), (2480, 3186368), (2560, 3086794), (3968, 1991480), (4960, 1593184), (5120, 1543397), (7936, 995740), (9920, 796592), (15872, 497870), (19840, 398296), (31744, 248935), (39680, 199148), (49787, 158720), (79360, 99574)]