80389940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{2341}}^1$

素因数の和:2468

約数の個数: 48

約数和(自身を含む): 180596304

約数和(自身を除く): 100206364

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 340, 404, 505, 1010, 1717, 2020, 2341, 3434, 4682, 6868, 8585, 9364, 11705, 17170, 23410, 34340, 39797, 46820, 79594, 159188, 198985, 236441, 397970, 472882, 795940, 945764, 1182205, 2364410, 4019497, 4728820, 8038994, 16077988, 20097485, 40194970, 80389940]

約数ペア:

[(1, 80389940), (2, 40194970), (4, 20097485), (5, 16077988), (10, 8038994), (17, 4728820), (20, 4019497), (34, 2364410), (68, 1182205), (85, 945764), (101, 795940), (170, 472882), (202, 397970), (340, 236441), (404, 198985), (505, 159188), (1010, 79594), (1717, 46820), (2020, 39797), (2341, 34340), (3434, 23410), (4682, 17170), (6868, 11705), (8585, 9364)]