25947640

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2113}}^1$

素因数の和:2431

約数の個数: 32

約数和(自身を含む): 58600080

約数和(自身を除く): 32652440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2113, 2456, 3070, 4226, 6140, 8452, 10565, 12280, 16904, 21130, 42260, 84520, 648691, 1297382, 2594764, 3243455, 5189528, 6486910, 12973820, 25947640]

約数ペア:

[(1, 25947640), (2, 12973820), (4, 6486910), (5, 5189528), (8, 3243455), (10, 2594764), (20, 1297382), (40, 648691), (307, 84520), (614, 42260), (1228, 21130), (1535, 16904), (2113, 12280), (2456, 10565), (3070, 8452), (4226, 6140)]