631242160

素因数分解:

$2^4\times 5^1\times {\mathrm{1811}}^1\times {\mathrm{4357}}^1$

素因数の和:6181

約数の個数: 40

約数和(自身を含む): 1468785456

約数和(自身を除く): 837543296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1811, 3622, 4357, 7244, 8714, 9055, 14488, 17428, 18110, 21785, 28976, 34856, 36220, 43570, 69712, 72440, 87140, 144880, 174280, 348560, 7890527, 15781054, 31562108, 39452635, 63124216, 78905270, 126248432, 157810540, 315621080, 631242160]

約数ペア:

[(1, 631242160), (2, 315621080), (4, 157810540), (5, 126248432), (8, 78905270), (10, 63124216), (16, 39452635), (20, 31562108), (40, 15781054), (80, 7890527), (1811, 348560), (3622, 174280), (4357, 144880), (7244, 87140), (8714, 72440), (9055, 69712), (14488, 43570), (17428, 36220), (18110, 34856), (21785, 28976)]