2045736040

素因数分解:

$2^3\times 5^1\times {\mathrm{3709}}^1\times {\mathrm{13789}}^1$

素因数の和:17509

約数の個数: 32

約数和(自身を含む): 4604481000

約数和(自身を除く): 2558744960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3709, 7418, 13789, 14836, 18545, 27578, 29672, 37090, 55156, 68945, 74180, 110312, 137890, 148360, 275780, 551560, 51143401, 102286802, 204573604, 255717005, 409147208, 511434010, 1022868020, 2045736040]

約数ペア:

[(1, 2045736040), (2, 1022868020), (4, 511434010), (5, 409147208), (8, 255717005), (10, 204573604), (20, 102286802), (40, 51143401), (3709, 551560), (7418, 275780), (13789, 148360), (14836, 137890), (18545, 110312), (27578, 74180), (29672, 68945), (37090, 55156)]