258389680

素因数分解:

$2^4\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{3079}}^1$

素因数の和:4141

約数の個数: 40

約数和(自身を含む): 601524000

約数和(自身を除く): 343134320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1049, 2098, 3079, 4196, 5245, 6158, 8392, 10490, 12316, 15395, 16784, 20980, 24632, 30790, 41960, 49264, 61580, 83920, 123160, 246320, 3229871, 6459742, 12919484, 16149355, 25838968, 32298710, 51677936, 64597420, 129194840, 258389680]

約数ペア:

[(1, 258389680), (2, 129194840), (4, 64597420), (5, 51677936), (8, 32298710), (10, 25838968), (16, 16149355), (20, 12919484), (40, 6459742), (80, 3229871), (1049, 246320), (2098, 123160), (3079, 83920), (4196, 61580), (5245, 49264), (6158, 41960), (8392, 30790), (10490, 24632), (12316, 20980), (15395, 16784)]