4227760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1$

素因数の和:1285

約数の個数: 40

約数和(自身を含む): 10066320

約数和(自身を除く): 5838560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1229, 1720, 2458, 3440, 4916, 6145, 9832, 12290, 19664, 24580, 49160, 52847, 98320, 105694, 211388, 264235, 422776, 528470, 845552, 1056940, 2113880, 4227760]

約数ペア:

[(1, 4227760), (2, 2113880), (4, 1056940), (5, 845552), (8, 528470), (10, 422776), (16, 264235), (20, 211388), (40, 105694), (43, 98320), (80, 52847), (86, 49160), (172, 24580), (215, 19664), (344, 12290), (430, 9832), (688, 6145), (860, 4916), (1229, 3440), (1720, 2458)]