204060880

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{6361}}^1$

素因数の和:6775

約数の個数: 40

約数和(自身を含む): 475699464

約数和(自身を除く): 271638584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1604, 2005, 3208, 4010, 6361, 6416, 8020, 12722, 16040, 25444, 31805, 32080, 50888, 63610, 101776, 127220, 254440, 508880, 2550761, 5101522, 10203044, 12753805, 20406088, 25507610, 40812176, 51015220, 102030440, 204060880]

約数ペア:

[(1, 204060880), (2, 102030440), (4, 51015220), (5, 40812176), (8, 25507610), (10, 20406088), (16, 12753805), (20, 10203044), (40, 5101522), (80, 2550761), (401, 508880), (802, 254440), (1604, 127220), (2005, 101776), (3208, 63610), (4010, 50888), (6361, 32080), (6416, 31805), (8020, 25444), (12722, 16040)]