25714280

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{5689}}^1$

素因数の和:5813

約数の個数: 32

約数和(自身を含む): 58379400

約数和(自身を除く): 32665120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 5689, 11378, 22756, 28445, 45512, 56890, 113780, 227560, 642857, 1285714, 2571428, 3214285, 5142856, 6428570, 12857140, 25714280]

約数ペア:

[(1, 25714280), (2, 12857140), (4, 6428570), (5, 5142856), (8, 3214285), (10, 2571428), (20, 1285714), (40, 642857), (113, 227560), (226, 113780), (452, 56890), (565, 45512), (904, 28445), (1130, 22756), (2260, 11378), (4520, 5689)]