10720280

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{3229}}^1$

素因数の和:3323

約数の個数: 32

約数和(自身を含む): 24418800

約数和(自身を除く): 13698520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3229, 3320, 6458, 12916, 16145, 25832, 32290, 64580, 129160, 268007, 536014, 1072028, 1340035, 2144056, 2680070, 5360140, 10720280]

約数ペア:

[(1, 10720280), (2, 5360140), (4, 2680070), (5, 2144056), (8, 1340035), (10, 1072028), (20, 536014), (40, 268007), (83, 129160), (166, 64580), (332, 32290), (415, 25832), (664, 16145), (830, 12916), (1660, 6458), (3229, 3320)]