25920256

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{73}}^2$

素因数の和:181

約数の個数: 54

約数和(自身を含む): 55218660

約数和(自身を除く): 29298404

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 73, 76, 128, 146, 152, 256, 292, 304, 584, 608, 1168, 1216, 1387, 2336, 2432, 2774, 4672, 4864, 5329, 5548, 9344, 10658, 11096, 18688, 21316, 22192, 42632, 44384, 85264, 88768, 101251, 170528, 177536, 202502, 341056, 355072, 405004, 682112, 810008, 1364224, 1620016, 3240032, 6480064, 12960128, 25920256]

約数ペア:

[(1, 25920256), (2, 12960128), (4, 6480064), (8, 3240032), (16, 1620016), (19, 1364224), (32, 810008), (38, 682112), (64, 405004), (73, 355072), (76, 341056), (128, 202502), (146, 177536), (152, 170528), (256, 101251), (292, 88768), (304, 85264), (584, 44384), (608, 42632), (1168, 22192), (1216, 21316), (1387, 18688), (2336, 11096), (2432, 10658), (2774, 9344), (4672, 5548), (4864, 5329)]