201521353640

素因数分解:

$2^3\times 5^1\times {\mathrm{761}}^1\times {\mathrm{6620281}}^1$

素因数の和:6621053

約数の個数: 32

約数和(自身を含む): 454018939560

約数和(自身を除く): 252497585920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 761, 1522, 3044, 3805, 6088, 7610, 15220, 30440, 6620281, 13240562, 26481124, 33101405, 52962248, 66202810, 132405620, 264811240, 5038033841, 10076067682, 20152135364, 25190169205, 40304270728, 50380338410, 100760676820, 201521353640]

約数ペア:

[(1, 201521353640), (2, 100760676820), (4, 50380338410), (5, 40304270728), (8, 25190169205), (10, 20152135364), (20, 10076067682), (40, 5038033841), (761, 264811240), (1522, 132405620), (3044, 66202810), (3805, 52962248), (6088, 33101405), (7610, 26481124), (15220, 13240562), (30440, 6620281)]