85280512

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 182120400

約数和(自身を除く): 96839888

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 89, 128, 152, 178, 197, 256, 304, 356, 394, 608, 712, 788, 1216, 1424, 1576, 1691, 2432, 2848, 3152, 3382, 3743, 4864, 5696, 6304, 6764, 7486, 11392, 12608, 13528, 14972, 17533, 22784, 25216, 27056, 29944, 35066, 50432, 54112, 59888, 70132, 108224, 119776, 140264, 216448, 239552, 280528, 333127, 432896, 479104, 561056, 666254, 958208, 1122112, 1332508, 2244224, 2665016, 4488448, 5330032, 10660064, 21320128, 42640256, 85280512]

約数ペア:

[(1, 85280512), (2, 42640256), (4, 21320128), (8, 10660064), (16, 5330032), (19, 4488448), (32, 2665016), (38, 2244224), (64, 1332508), (76, 1122112), (89, 958208), (128, 666254), (152, 561056), (178, 479104), (197, 432896), (256, 333127), (304, 280528), (356, 239552), (394, 216448), (608, 140264), (712, 119776), (788, 108224), (1216, 70132), (1424, 59888), (1576, 54112), (1691, 50432), (2432, 35066), (2848, 29944), (3152, 27056), (3382, 25216), (3743, 22784), (4864, 17533), (5696, 14972), (6304, 13528), (6764, 12608), (7486, 11392)]