40395368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20443}}^1$

素因数の和:20481

約数の個数: 32

約数和(自身を含む): 85864800

約数和(自身を除く): 45469432

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 20443, 40886, 81772, 163544, 265759, 388417, 531518, 776834, 1063036, 1553668, 2126072, 3107336, 5049421, 10098842, 20197684, 40395368]

約数ペア:

[(1, 40395368), (2, 20197684), (4, 10098842), (8, 5049421), (13, 3107336), (19, 2126072), (26, 1553668), (38, 1063036), (52, 776834), (76, 531518), (104, 388417), (152, 265759), (247, 163544), (494, 81772), (988, 40886), (1976, 20443)]