1640226736

素因数分解:

$2^4\times {\mathrm{6571}}^1\times {\mathrm{15601}}^1$

素因数の和:22180

約数の個数: 20

約数和(自身を含む): 3178626664

約数和(自身を除く): 1538399928

約数列:

[1, 2, 4, 8, 16, 6571, 13142, 15601, 26284, 31202, 52568, 62404, 105136, 124808, 249616, 102514171, 205028342, 410056684, 820113368, 1640226736]

約数ペア:

[(1, 1640226736), (2, 820113368), (4, 410056684), (8, 205028342), (16, 102514171), (6571, 249616), (13142, 124808), (15601, 105136), (26284, 62404), (31202, 52568)]