40188128

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 81375840

約数和(自身を除く): 41187712

約数列:

[1, 2, 4, 8, 16, 32, 89, 103, 137, 178, 206, 274, 356, 412, 548, 712, 824, 1096, 1424, 1648, 2192, 2848, 3296, 4384, 9167, 12193, 14111, 18334, 24386, 28222, 36668, 48772, 56444, 73336, 97544, 112888, 146672, 195088, 225776, 293344, 390176, 451552, 1255879, 2511758, 5023516, 10047032, 20094064, 40188128]

約数ペア:

[(1, 40188128), (2, 20094064), (4, 10047032), (8, 5023516), (16, 2511758), (32, 1255879), (89, 451552), (103, 390176), (137, 293344), (178, 225776), (206, 195088), (274, 146672), (356, 112888), (412, 97544), (548, 73336), (712, 56444), (824, 48772), (1096, 36668), (1424, 28222), (1648, 24386), (2192, 18334), (2848, 14111), (3296, 12193), (4384, 9167)]