25467280

素因数分解:

$2^4\times 5^1\times {\mathrm{449}}^1\times {\mathrm{709}}^1$

素因数の和:1171

約数の個数: 40

約数和(自身を含む): 59427000

約数和(自身を除く): 33959720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 449, 709, 898, 1418, 1796, 2245, 2836, 3545, 3592, 4490, 5672, 7090, 7184, 8980, 11344, 14180, 17960, 28360, 35920, 56720, 318341, 636682, 1273364, 1591705, 2546728, 3183410, 5093456, 6366820, 12733640, 25467280]

約数ペア:

[(1, 25467280), (2, 12733640), (4, 6366820), (5, 5093456), (8, 3183410), (10, 2546728), (16, 1591705), (20, 1273364), (40, 636682), (80, 318341), (449, 56720), (709, 35920), (898, 28360), (1418, 17960), (1796, 14180), (2245, 11344), (2836, 8980), (3545, 7184), (3592, 7090), (4490, 5672)]