402800560

素因数分解:

$2^4\times 5^1\times {\mathrm{2221}}^1\times {\mathrm{2267}}^1$

素因数の和:4501

約数の個数: 40

約数和(自身を含む): 937346256

約数和(自身を除く): 534545696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2221, 2267, 4442, 4534, 8884, 9068, 11105, 11335, 17768, 18136, 22210, 22670, 35536, 36272, 44420, 45340, 88840, 90680, 177680, 181360, 5035007, 10070014, 20140028, 25175035, 40280056, 50350070, 80560112, 100700140, 201400280, 402800560]

約数ペア:

[(1, 402800560), (2, 201400280), (4, 100700140), (5, 80560112), (8, 50350070), (10, 40280056), (16, 25175035), (20, 20140028), (40, 10070014), (80, 5035007), (2221, 181360), (2267, 177680), (4442, 90680), (4534, 88840), (8884, 45340), (9068, 44420), (11105, 36272), (11335, 35536), (17768, 22670), (18136, 22210)]