16257640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1873}}^1$

素因数の和:1922

約数の個数: 64

約数和(自身を含む): 43176960

約数和(自身を除く): 26919320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 1873, 2170, 3746, 4340, 7492, 8680, 9365, 13111, 14984, 18730, 26222, 37460, 52444, 58063, 65555, 74920, 104888, 116126, 131110, 232252, 262220, 290315, 406441, 464504, 524440, 580630, 812882, 1161260, 1625764, 2032205, 2322520, 3251528, 4064410, 8128820, 16257640]

約数ペア:

[(1, 16257640), (2, 8128820), (4, 4064410), (5, 3251528), (7, 2322520), (8, 2032205), (10, 1625764), (14, 1161260), (20, 812882), (28, 580630), (31, 524440), (35, 464504), (40, 406441), (56, 290315), (62, 262220), (70, 232252), (124, 131110), (140, 116126), (155, 104888), (217, 74920), (248, 65555), (280, 58063), (310, 52444), (434, 37460), (620, 26222), (868, 18730), (1085, 14984), (1240, 13111), (1736, 9365), (1873, 8680), (2170, 7492), (3746, 4340)]