90550880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{80849}}^1$

素因数の和:80871

約数の個数: 48

約数和(自身を含む): 244490400

約数和(自身を除く): 153939520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 80849, 161698, 323396, 404245, 565943, 646792, 808490, 1131886, 1293584, 1616980, 2263772, 2587168, 2829715, 3233960, 4527544, 5659430, 6467920, 9055088, 11318860, 12935840, 18110176, 22637720, 45275440, 90550880]

約数ペア:

[(1, 90550880), (2, 45275440), (4, 22637720), (5, 18110176), (7, 12935840), (8, 11318860), (10, 9055088), (14, 6467920), (16, 5659430), (20, 4527544), (28, 3233960), (32, 2829715), (35, 2587168), (40, 2263772), (56, 1616980), (70, 1293584), (80, 1131886), (112, 808490), (140, 646792), (160, 565943), (224, 404245), (280, 323396), (560, 161698), (1120, 80849)]