90840230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22541}}^1$

素因数の和:22592

約数の個数: 32

約数和(自身を含む): 181778688

約数和(自身を除く): 90938458

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 22541, 45082, 112705, 225410, 293033, 586066, 698771, 1397542, 1465165, 2930330, 3493855, 6987710, 9084023, 18168046, 45420115, 90840230]

約数ペア:

[(1, 90840230), (2, 45420115), (5, 18168046), (10, 9084023), (13, 6987710), (26, 3493855), (31, 2930330), (62, 1465165), (65, 1397542), (130, 698771), (155, 586066), (310, 293033), (403, 225410), (806, 112705), (2015, 45082), (4030, 22541)]