55819220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{90031}}^1$

素因数の和:90071

約数の個数: 24

約数和(自身を含む): 121003008

約数和(自身を除く): 65183788

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 90031, 180062, 360124, 450155, 900310, 1800620, 2790961, 5581922, 11163844, 13954805, 27909610, 55819220]

約数ペア:

[(1, 55819220), (2, 27909610), (4, 13954805), (5, 11163844), (10, 5581922), (20, 2790961), (31, 1800620), (62, 900310), (124, 450155), (155, 360124), (310, 180062), (620, 90031)]