64342160

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4649}}^1$

素因数の和:4835

約数の個数: 40

約数和(自身を含む): 150492600

約数和(自身を除く): 86150440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 4649, 6920, 9298, 13840, 18596, 23245, 37192, 46490, 74384, 92980, 185960, 371920, 804277, 1608554, 3217108, 4021385, 6434216, 8042770, 12868432, 16085540, 32171080, 64342160]

約数ペア:

[(1, 64342160), (2, 32171080), (4, 16085540), (5, 12868432), (8, 8042770), (10, 6434216), (16, 4021385), (20, 3217108), (40, 1608554), (80, 804277), (173, 371920), (346, 185960), (692, 92980), (865, 74384), (1384, 46490), (1730, 37192), (2768, 23245), (3460, 18596), (4649, 13840), (6920, 9298)]