31396840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{34127}}^1$

素因数の和:34161

約数の個数: 32

約数和(自身を含む): 73716480

約数和(自身を除く): 42319640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 34127, 68254, 136508, 170635, 273016, 341270, 682540, 784921, 1365080, 1569842, 3139684, 3924605, 6279368, 7849210, 15698420, 31396840]

約数ペア:

[(1, 31396840), (2, 15698420), (4, 7849210), (5, 6279368), (8, 3924605), (10, 3139684), (20, 1569842), (23, 1365080), (40, 784921), (46, 682540), (92, 341270), (115, 273016), (184, 170635), (230, 136508), (460, 68254), (920, 34127)]