40272856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 86940000

約数和(自身を除く): 46667144

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 89, 104, 152, 178, 229, 247, 356, 458, 494, 712, 916, 988, 1157, 1691, 1832, 1976, 2314, 2977, 3382, 4351, 4628, 5954, 6764, 8702, 9256, 11908, 13528, 17404, 20381, 21983, 23816, 34808, 40762, 43966, 56563, 81524, 87932, 113126, 163048, 175864, 226252, 264953, 387239, 452504, 529906, 774478, 1059812, 1548956, 2119624, 3097912, 5034107, 10068214, 20136428, 40272856]

約数ペア:

[(1, 40272856), (2, 20136428), (4, 10068214), (8, 5034107), (13, 3097912), (19, 2119624), (26, 1548956), (38, 1059812), (52, 774478), (76, 529906), (89, 452504), (104, 387239), (152, 264953), (178, 226252), (229, 175864), (247, 163048), (356, 113126), (458, 87932), (494, 81524), (712, 56563), (916, 43966), (988, 40762), (1157, 34808), (1691, 23816), (1832, 21983), (1976, 20381), (2314, 17404), (2977, 13528), (3382, 11908), (4351, 9256), (4628, 8702), (5954, 6764)]