28287280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{50513}}^1$

素因数の和:50533

約数の個数: 40

約数和(自身を含む): 75164832

約数和(自身を除く): 46877552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 50513, 101026, 202052, 252565, 353591, 404104, 505130, 707182, 808208, 1010260, 1414364, 1767955, 2020520, 2828728, 3535910, 4041040, 5657456, 7071820, 14143640, 28287280]

約数ペア:

[(1, 28287280), (2, 14143640), (4, 7071820), (5, 5657456), (7, 4041040), (8, 3535910), (10, 2828728), (14, 2020520), (16, 1767955), (20, 1414364), (28, 1010260), (35, 808208), (40, 707182), (56, 505130), (70, 404104), (80, 353591), (112, 252565), (140, 202052), (280, 101026), (560, 50513)]