90687220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{613}}^1$

素因数の和:1204

約数の個数: 48

約数和(自身を含む): 205788240

約数和(自身を除く): 115101020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 569, 613, 1138, 1226, 2276, 2452, 2845, 3065, 5690, 6130, 7397, 7969, 11380, 12260, 14794, 15938, 29588, 31876, 36985, 39845, 73970, 79690, 147940, 159380, 348797, 697594, 1395188, 1743985, 3487970, 4534361, 6975940, 9068722, 18137444, 22671805, 45343610, 90687220]

約数ペア:

[(1, 90687220), (2, 45343610), (4, 22671805), (5, 18137444), (10, 9068722), (13, 6975940), (20, 4534361), (26, 3487970), (52, 1743985), (65, 1395188), (130, 697594), (260, 348797), (569, 159380), (613, 147940), (1138, 79690), (1226, 73970), (2276, 39845), (2452, 36985), (2845, 31876), (3065, 29588), (5690, 15938), (6130, 14794), (7397, 12260), (7969, 11380)]