54940990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13633}}^1$

素因数の和:13684

約数の個数: 32

約数和(自身を含む): 109944576

約数和(自身を除く): 55003586

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 13633, 27266, 68165, 136330, 177229, 354458, 422623, 845246, 886145, 1772290, 2113115, 4226230, 5494099, 10988198, 27470495, 54940990]

約数ペア:

[(1, 54940990), (2, 27470495), (5, 10988198), (10, 5494099), (13, 4226230), (26, 2113115), (31, 1772290), (62, 886145), (65, 845246), (130, 422623), (155, 354458), (310, 177229), (403, 136330), (806, 68165), (2015, 27266), (4030, 13633)]