64118800

素因数分解:

$2^4\times 5^2\times {\mathrm{157}}^1\times {\mathrm{1021}}^1$

素因数の和:1196

約数の個数: 60

約数和(自身を含む): 155178436

約数和(自身を除く): 91059636

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 157, 200, 314, 400, 628, 785, 1021, 1256, 1570, 2042, 2512, 3140, 3925, 4084, 5105, 6280, 7850, 8168, 10210, 12560, 15700, 16336, 20420, 25525, 31400, 40840, 51050, 62800, 81680, 102100, 160297, 204200, 320594, 408400, 641188, 801485, 1282376, 1602970, 2564752, 3205940, 4007425, 6411880, 8014850, 12823760, 16029700, 32059400, 64118800]

約数ペア:

[(1, 64118800), (2, 32059400), (4, 16029700), (5, 12823760), (8, 8014850), (10, 6411880), (16, 4007425), (20, 3205940), (25, 2564752), (40, 1602970), (50, 1282376), (80, 801485), (100, 641188), (157, 408400), (200, 320594), (314, 204200), (400, 160297), (628, 102100), (785, 81680), (1021, 62800), (1256, 51050), (1570, 40840), (2042, 31400), (2512, 25525), (3140, 20420), (3925, 16336), (4084, 15700), (5105, 12560), (6280, 10210), (7850, 8168)]