25029992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 29402008

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 53, 76, 104, 106, 152, 212, 239, 247, 424, 478, 494, 689, 956, 988, 1007, 1378, 1912, 1976, 2014, 2756, 3107, 4028, 4541, 5512, 6214, 8056, 9082, 12428, 12667, 13091, 18164, 24856, 25334, 26182, 36328, 50668, 52364, 59033, 101336, 104728, 118066, 164671, 236132, 240673, 329342, 472264, 481346, 658684, 962692, 1317368, 1925384, 3128749, 6257498, 12514996, 25029992]

約数ペア:

[(1, 25029992), (2, 12514996), (4, 6257498), (8, 3128749), (13, 1925384), (19, 1317368), (26, 962692), (38, 658684), (52, 481346), (53, 472264), (76, 329342), (104, 240673), (106, 236132), (152, 164671), (212, 118066), (239, 104728), (247, 101336), (424, 59033), (478, 52364), (494, 50668), (689, 36328), (956, 26182), (988, 25334), (1007, 24856), (1378, 18164), (1912, 13091), (1976, 12667), (2014, 12428), (2756, 9082), (3107, 8056), (4028, 6214), (4541, 5512)]