25157840

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2939}}^1$

素因数の和:3059

約数の個数: 40

約数和(自身を含む): 59058720

約数和(自身を除く): 33900880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 2939, 4280, 5878, 8560, 11756, 14695, 23512, 29390, 47024, 58780, 117560, 235120, 314473, 628946, 1257892, 1572365, 2515784, 3144730, 5031568, 6289460, 12578920, 25157840]

約数ペア:

[(1, 25157840), (2, 12578920), (4, 6289460), (5, 5031568), (8, 3144730), (10, 2515784), (16, 1572365), (20, 1257892), (40, 628946), (80, 314473), (107, 235120), (214, 117560), (428, 58780), (535, 47024), (856, 29390), (1070, 23512), (1712, 14695), (2140, 11756), (2939, 8560), (4280, 5878)]