71204360

素因数分解:

$2^3\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{1381}}^1$

素因数の和:2681

約数の個数: 32

約数和(自身を含む): 160450200

約数和(自身を除く): 89245840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1289, 1381, 2578, 2762, 5156, 5524, 6445, 6905, 10312, 11048, 12890, 13810, 25780, 27620, 51560, 55240, 1780109, 3560218, 7120436, 8900545, 14240872, 17801090, 35602180, 71204360]

約数ペア:

[(1, 71204360), (2, 35602180), (4, 17801090), (5, 14240872), (8, 8900545), (10, 7120436), (20, 3560218), (40, 1780109), (1289, 55240), (1381, 51560), (2578, 27620), (2762, 25780), (5156, 13810), (5524, 12890), (6445, 11048), (6905, 10312)]