28075700

素因数分解:

$2^2\times 5^2\times {\mathrm{223}}^1\times {\mathrm{1259}}^1$

素因数の和:1496

約数の個数: 36

約数和(自身を含む): 61246080

約数和(自身を除く): 33170380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 223, 446, 892, 1115, 1259, 2230, 2518, 4460, 5036, 5575, 6295, 11150, 12590, 22300, 25180, 31475, 62950, 125900, 280757, 561514, 1123028, 1403785, 2807570, 5615140, 7018925, 14037850, 28075700]

約数ペア:

[(1, 28075700), (2, 14037850), (4, 7018925), (5, 5615140), (10, 2807570), (20, 1403785), (25, 1123028), (50, 561514), (100, 280757), (223, 125900), (446, 62950), (892, 31475), (1115, 25180), (1259, 22300), (2230, 12590), (2518, 11150), (4460, 6295), (5036, 5575)]