25942280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7127}}^1$

素因数の和:7158

約数の個数: 64

約数和(自身を含む): 71850240

約数和(自身を除く): 45907960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 7127, 14254, 28508, 35635, 49889, 57016, 71270, 92651, 99778, 142540, 185302, 199556, 249445, 285080, 370604, 399112, 463255, 498890, 648557, 741208, 926510, 997780, 1297114, 1853020, 1995560, 2594228, 3242785, 3706040, 5188456, 6485570, 12971140, 25942280]

約数ペア:

[(1, 25942280), (2, 12971140), (4, 6485570), (5, 5188456), (7, 3706040), (8, 3242785), (10, 2594228), (13, 1995560), (14, 1853020), (20, 1297114), (26, 997780), (28, 926510), (35, 741208), (40, 648557), (52, 498890), (56, 463255), (65, 399112), (70, 370604), (91, 285080), (104, 249445), (130, 199556), (140, 185302), (182, 142540), (260, 99778), (280, 92651), (364, 71270), (455, 57016), (520, 49889), (728, 35635), (910, 28508), (1820, 14254), (3640, 7127)]