51882680

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{3613}}^1$

素因数の和:3983

約数の個数: 32

約数和(自身を含む): 117093600

約数和(自身を除く): 65210920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 2872, 3590, 3613, 7180, 7226, 14360, 14452, 18065, 28904, 36130, 72260, 144520, 1297067, 2594134, 5188268, 6485335, 10376536, 12970670, 25941340, 51882680]

約数ペア:

[(1, 51882680), (2, 25941340), (4, 12970670), (5, 10376536), (8, 6485335), (10, 5188268), (20, 2594134), (40, 1297067), (359, 144520), (718, 72260), (1436, 36130), (1795, 28904), (2872, 18065), (3590, 14452), (3613, 14360), (7180, 7226)]