25640040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4969}}^1$

素因数の和:5026

約数の個数: 64

約数和(自身を含む): 78724800

約数和(自身を除く): 53084760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 4969, 5160, 9938, 14907, 19876, 24845, 29814, 39752, 49690, 59628, 74535, 99380, 119256, 149070, 198760, 213667, 298140, 427334, 596280, 641001, 854668, 1068335, 1282002, 1709336, 2136670, 2564004, 3205005, 4273340, 5128008, 6410010, 8546680, 12820020, 25640040]

約数ペア:

[(1, 25640040), (2, 12820020), (3, 8546680), (4, 6410010), (5, 5128008), (6, 4273340), (8, 3205005), (10, 2564004), (12, 2136670), (15, 1709336), (20, 1282002), (24, 1068335), (30, 854668), (40, 641001), (43, 596280), (60, 427334), (86, 298140), (120, 213667), (129, 198760), (172, 149070), (215, 119256), (258, 99380), (344, 74535), (430, 59628), (516, 49690), (645, 39752), (860, 29814), (1032, 24845), (1290, 19876), (1720, 14907), (2580, 9938), (4969, 5160)]