25156280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13381}}^1$

素因数の和:13439

約数の個数: 32

約数和(自身を含む): 57810240

約数和(自身を除く): 32653960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 13381, 26762, 53524, 66905, 107048, 133810, 267620, 535240, 628907, 1257814, 2515628, 3144535, 5031256, 6289070, 12578140, 25156280]

約数ペア:

[(1, 25156280), (2, 12578140), (4, 6289070), (5, 5031256), (8, 3144535), (10, 2515628), (20, 1257814), (40, 628907), (47, 535240), (94, 267620), (188, 133810), (235, 107048), (376, 66905), (470, 53524), (940, 26762), (1880, 13381)]