25510520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2939}}^1$

素因数の和:2988

約数の個数: 64

約数和(自身を含む): 67737600

約数和(自身を除く): 42227080

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, 2170, 2939, 4340, 5878, 8680, 11756, 14695, 20573, 23512, 29390, 41146, 58780, 82292, 91109, 102865, 117560, 164584, 182218, 205730, 364436, 411460, 455545, 637763, 728872, 822920, 911090, 1275526, 1822180, 2551052, 3188815, 3644360, 5102104, 6377630, 12755260, 25510520]

約数ペア:

[(1, 25510520), (2, 12755260), (4, 6377630), (5, 5102104), (7, 3644360), (8, 3188815), (10, 2551052), (14, 1822180), (20, 1275526), (28, 911090), (31, 822920), (35, 728872), (40, 637763), (56, 455545), (62, 411460), (70, 364436), (124, 205730), (140, 182218), (155, 164584), (217, 117560), (248, 102865), (280, 91109), (310, 82292), (434, 58780), (620, 41146), (868, 29390), (1085, 23512), (1240, 20573), (1736, 14695), (2170, 11756), (2939, 8680), (4340, 5878)]