71911220

素因数分解:

$2^2\times 5^1\times {\mathrm{941}}^1\times {\mathrm{3821}}^1$

素因数の和:4771

約数の個数: 24

約数和(自身を含む): 151213608

約数和(自身を除く): 79302388

約数列:

[1, 2, 4, 5, 10, 20, 941, 1882, 3764, 3821, 4705, 7642, 9410, 15284, 18820, 19105, 38210, 76420, 3595561, 7191122, 14382244, 17977805, 35955610, 71911220]

約数ペア:

[(1, 71911220), (2, 35955610), (4, 17977805), (5, 14382244), (10, 7191122), (20, 3595561), (941, 76420), (1882, 38210), (3764, 19105), (3821, 18820), (4705, 15284), (7642, 9410)]