90232720

素因数分解:

$2^4\times 5^1\times {\mathrm{701}}^1\times {\mathrm{1609}}^1$

素因数の和:2323

約数の個数: 40

約数和(自身を含む): 210220920

約数和(自身を除く): 119988200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 701, 1402, 1609, 2804, 3218, 3505, 5608, 6436, 7010, 8045, 11216, 12872, 14020, 16090, 25744, 28040, 32180, 56080, 64360, 128720, 1127909, 2255818, 4511636, 5639545, 9023272, 11279090, 18046544, 22558180, 45116360, 90232720]

約数ペア:

[(1, 90232720), (2, 45116360), (4, 22558180), (5, 18046544), (8, 11279090), (10, 9023272), (16, 5639545), (20, 4511636), (40, 2255818), (80, 1127909), (701, 128720), (1402, 64360), (1609, 56080), (2804, 32180), (3218, 28040), (3505, 25744), (5608, 16090), (6436, 14020), (7010, 12872), (8045, 11216)]