155459740

素因数分解:

$2^2\times 5^1\times {\mathrm{1657}}^1\times {\mathrm{4691}}^1$

素因数の和:6357

約数の個数: 24

約数和(自身を含む): 326732112

約数和(自身を除く): 171272372

約数列:

[1, 2, 4, 5, 10, 20, 1657, 3314, 4691, 6628, 8285, 9382, 16570, 18764, 23455, 33140, 46910, 93820, 7772987, 15545974, 31091948, 38864935, 77729870, 155459740]

約数ペア:

[(1, 155459740), (2, 77729870), (4, 38864935), (5, 31091948), (10, 15545974), (20, 7772987), (1657, 93820), (3314, 46910), (4691, 33140), (6628, 23455), (8285, 18764), (9382, 16570)]