25180928

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 54942720

約数和(自身を除く): 29761792

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 167, 248, 256, 304, 334, 496, 589, 608, 668, 992, 1178, 1216, 1336, 1984, 2356, 2432, 2672, 3173, 3968, 4712, 4864, 5177, 5344, 6346, 7936, 9424, 10354, 10688, 12692, 18848, 20708, 21376, 25384, 37696, 41416, 42752, 50768, 75392, 82832, 98363, 101536, 150784, 165664, 196726, 203072, 331328, 393452, 406144, 662656, 786904, 812288, 1325312, 1573808, 3147616, 6295232, 12590464, 25180928]

約数ペア:

[(1, 25180928), (2, 12590464), (4, 6295232), (8, 3147616), (16, 1573808), (19, 1325312), (31, 812288), (32, 786904), (38, 662656), (62, 406144), (64, 393452), (76, 331328), (124, 203072), (128, 196726), (152, 165664), (167, 150784), (248, 101536), (256, 98363), (304, 82832), (334, 75392), (496, 50768), (589, 42752), (608, 41416), (668, 37696), (992, 25384), (1178, 21376), (1216, 20708), (1336, 18848), (1984, 12692), (2356, 10688), (2432, 10354), (2672, 9424), (3173, 7936), (3968, 6346), (4712, 5344), (4864, 5177)]