25506460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1531}}^1$

素因数の和:1571

約数の個数: 72

約数和(自身を含む): 66016944

約数和(自身を除く): 40510484

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1531, 1666, 2380, 3062, 3332, 4165, 6124, 7655, 8330, 10717, 15310, 16660, 21434, 26027, 30620, 42868, 52054, 53585, 75019, 104108, 107170, 130135, 150038, 182189, 214340, 260270, 300076, 364378, 375095, 520540, 728756, 750190, 910945, 1275323, 1500380, 1821890, 2550646, 3643780, 5101292, 6376615, 12753230, 25506460]

約数ペア:

[(1, 25506460), (2, 12753230), (4, 6376615), (5, 5101292), (7, 3643780), (10, 2550646), (14, 1821890), (17, 1500380), (20, 1275323), (28, 910945), (34, 750190), (35, 728756), (49, 520540), (68, 375095), (70, 364378), (85, 300076), (98, 260270), (119, 214340), (140, 182189), (170, 150038), (196, 130135), (238, 107170), (245, 104108), (340, 75019), (476, 53585), (490, 52054), (595, 42868), (833, 30620), (980, 26027), (1190, 21434), (1531, 16660), (1666, 15310), (2380, 10717), (3062, 8330), (3332, 7655), (4165, 6124)]