90719330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22511}}^1$

素因数の和:22562

約数の個数: 32

約数和(自身を含む): 181536768

約数和(自身を除く): 90817438

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 22511, 45022, 112555, 225110, 292643, 585286, 697841, 1395682, 1463215, 2926430, 3489205, 6978410, 9071933, 18143866, 45359665, 90719330]

約数ペア:

[(1, 90719330), (2, 45359665), (5, 18143866), (10, 9071933), (13, 6978410), (26, 3489205), (31, 2926430), (62, 1463215), (65, 1395682), (130, 697841), (155, 585286), (310, 292643), (403, 225110), (806, 112555), (2015, 45022), (4030, 22511)]