56447680

素因数分解:

$2^6\times 5^1\times {\mathrm{419}}^1\times {\mathrm{421}}^1$

素因数の和:857

約数の個数: 56

約数和(自身を含む): 135056880

約数和(自身を除く): 78609200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 419, 421, 838, 842, 1676, 1684, 2095, 2105, 3352, 3368, 4190, 4210, 6704, 6736, 8380, 8420, 13408, 13472, 16760, 16840, 26816, 26944, 33520, 33680, 67040, 67360, 134080, 134720, 176399, 352798, 705596, 881995, 1411192, 1763990, 2822384, 3527980, 5644768, 7055960, 11289536, 14111920, 28223840, 56447680]

約数ペア:

[(1, 56447680), (2, 28223840), (4, 14111920), (5, 11289536), (8, 7055960), (10, 5644768), (16, 3527980), (20, 2822384), (32, 1763990), (40, 1411192), (64, 881995), (80, 705596), (160, 352798), (320, 176399), (419, 134720), (421, 134080), (838, 67360), (842, 67040), (1676, 33680), (1684, 33520), (2095, 26944), (2105, 26816), (3352, 16840), (3368, 16760), (4190, 13472), (4210, 13408), (6704, 8420), (6736, 8380)]