28088860

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{16921}}^1$

素因数の和:17013

約数の個数: 24

約数和(自身を含む): 59700816

約数和(自身を除く): 31611956

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 16921, 33842, 67684, 84605, 169210, 338420, 1404443, 2808886, 5617772, 7022215, 14044430, 28088860]

約数ペア:

[(1, 28088860), (2, 14044430), (4, 7022215), (5, 5617772), (10, 2808886), (20, 1404443), (83, 338420), (166, 169210), (332, 84605), (415, 67684), (830, 33842), (1660, 16921)]