64439680

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{941}}^1$

素因数の和:1067

約数の個数: 64

約数和(自身を含む): 155656080

約数和(自身を除く): 91216400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 320, 428, 535, 640, 856, 941, 1070, 1712, 1882, 2140, 3424, 3764, 4280, 4705, 6848, 7528, 8560, 9410, 13696, 15056, 17120, 18820, 30112, 34240, 37640, 60224, 68480, 75280, 100687, 120448, 150560, 201374, 301120, 402748, 503435, 602240, 805496, 1006870, 1610992, 2013740, 3221984, 4027480, 6443968, 8054960, 12887936, 16109920, 32219840, 64439680]

約数ペア:

[(1, 64439680), (2, 32219840), (4, 16109920), (5, 12887936), (8, 8054960), (10, 6443968), (16, 4027480), (20, 3221984), (32, 2013740), (40, 1610992), (64, 1006870), (80, 805496), (107, 602240), (128, 503435), (160, 402748), (214, 301120), (320, 201374), (428, 150560), (535, 120448), (640, 100687), (856, 75280), (941, 68480), (1070, 60224), (1712, 37640), (1882, 34240), (2140, 30112), (3424, 18820), (3764, 17120), (4280, 15056), (4705, 13696), (6848, 9410), (7528, 8560)]