25450480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28921}}^1$

素因数の和:28945

約数の個数: 40

約数和(自身を含む): 64553904

約数和(自身を除く): 39103424

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 28921, 57842, 115684, 144605, 231368, 289210, 318131, 462736, 578420, 636262, 1156840, 1272524, 1590655, 2313680, 2545048, 3181310, 5090096, 6362620, 12725240, 25450480]

約数ペア:

[(1, 25450480), (2, 12725240), (4, 6362620), (5, 5090096), (8, 3181310), (10, 2545048), (11, 2313680), (16, 1590655), (20, 1272524), (22, 1156840), (40, 636262), (44, 578420), (55, 462736), (80, 318131), (88, 289210), (110, 231368), (176, 144605), (220, 115684), (440, 57842), (880, 28921)]