41653540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 90881280

約数和(自身を除く): 49227740

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 316, 395, 410, 643, 790, 820, 1286, 1580, 2572, 3215, 3239, 6430, 6478, 12860, 12956, 16195, 26363, 32390, 50797, 52726, 64780, 101594, 105452, 131815, 203188, 253985, 263630, 507970, 527260, 1015940, 2082677, 4165354, 8330708, 10413385, 20826770, 41653540]

約数ペア:

[(1, 41653540), (2, 20826770), (4, 10413385), (5, 8330708), (10, 4165354), (20, 2082677), (41, 1015940), (79, 527260), (82, 507970), (158, 263630), (164, 253985), (205, 203188), (316, 131815), (395, 105452), (410, 101594), (643, 64780), (790, 52726), (820, 50797), (1286, 32390), (1580, 26363), (2572, 16195), (3215, 12956), (3239, 12860), (6430, 6478)]