129739640

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{30313}}^1$

素因数の和:30431

約数の個数: 32

約数和(自身を含む): 294652080

約数和(自身を除く): 164912440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 30313, 60626, 121252, 151565, 242504, 303130, 606260, 1212520, 3243491, 6486982, 12973964, 16217455, 25947928, 32434910, 64869820, 129739640]

約数ペア:

[(1, 129739640), (2, 64869820), (4, 32434910), (5, 25947928), (8, 16217455), (10, 12973964), (20, 6486982), (40, 3243491), (107, 1212520), (214, 606260), (428, 303130), (535, 242504), (856, 151565), (1070, 121252), (2140, 60626), (4280, 30313)]