139082120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{112163}}^1$

素因数の和:112205

約数の個数: 32

約数和(自身を含む): 323032320

約数和(自身を除く): 183950200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 112163, 224326, 448652, 560815, 897304, 1121630, 2243260, 3477053, 4486520, 6954106, 13908212, 17385265, 27816424, 34770530, 69541060, 139082120]

約数ペア:

[(1, 139082120), (2, 69541060), (4, 34770530), (5, 27816424), (8, 17385265), (10, 13908212), (20, 6954106), (31, 4486520), (40, 3477053), (62, 2243260), (124, 1121630), (155, 897304), (248, 560815), (310, 448652), (620, 224326), (1240, 112163)]