90694840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73141}}^1$

素因数の和:73183

約数の個数: 32

約数和(自身を含む): 210648960

約数和(自身を除く): 119954120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 73141, 146282, 292564, 365705, 585128, 731410, 1462820, 2267371, 2925640, 4534742, 9069484, 11336855, 18138968, 22673710, 45347420, 90694840]

約数ペア:

[(1, 90694840), (2, 45347420), (4, 22673710), (5, 18138968), (8, 11336855), (10, 9069484), (20, 4534742), (31, 2925640), (40, 2267371), (62, 1462820), (124, 731410), (155, 585128), (248, 365705), (310, 292564), (620, 146282), (1240, 73141)]