126771520

素因数分解:

$2^6\times 5^1\times {\mathrm{421}}^1\times {\mathrm{941}}^1$

素因数の和:1379

約数の個数: 56

約数和(自身を含む): 302913288

約数和(自身を除く): 176141768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 421, 842, 941, 1684, 1882, 2105, 3368, 3764, 4210, 4705, 6736, 7528, 8420, 9410, 13472, 15056, 16840, 18820, 26944, 30112, 33680, 37640, 60224, 67360, 75280, 134720, 150560, 301120, 396161, 792322, 1584644, 1980805, 3169288, 3961610, 6338576, 7923220, 12677152, 15846440, 25354304, 31692880, 63385760, 126771520]

約数ペア:

[(1, 126771520), (2, 63385760), (4, 31692880), (5, 25354304), (8, 15846440), (10, 12677152), (16, 7923220), (20, 6338576), (32, 3961610), (40, 3169288), (64, 1980805), (80, 1584644), (160, 792322), (320, 396161), (421, 301120), (842, 150560), (941, 134720), (1684, 75280), (1882, 67360), (2105, 60224), (3368, 37640), (3764, 33680), (4210, 30112), (4705, 26944), (6736, 18820), (7528, 16840), (8420, 15056), (9410, 13472)]