64049320

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{23899}}^1$

素因数の和:23977

約数の個数: 32

約数和(自身を含む): 146268000

約数和(自身を除く): 82218680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 23899, 47798, 95596, 119495, 191192, 238990, 477980, 955960, 1601233, 3202466, 6404932, 8006165, 12809864, 16012330, 32024660, 64049320]

約数ペア:

[(1, 64049320), (2, 32024660), (4, 16012330), (5, 12809864), (8, 8006165), (10, 6404932), (20, 3202466), (40, 1601233), (67, 955960), (134, 477980), (268, 238990), (335, 191192), (536, 119495), (670, 95596), (1340, 47798), (2680, 23899)]