4080280

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1229}}^1$

素因数の和:1323

約数の個数: 32

約数和(自身を含む): 9298800

約数和(自身を除く): 5218520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1229, 1660, 2458, 3320, 4916, 6145, 9832, 12290, 24580, 49160, 102007, 204014, 408028, 510035, 816056, 1020070, 2040140, 4080280]

約数ペア:

[(1, 4080280), (2, 2040140), (4, 1020070), (5, 816056), (8, 510035), (10, 408028), (20, 204014), (40, 102007), (83, 49160), (166, 24580), (332, 12290), (415, 9832), (664, 6145), (830, 4916), (1229, 3320), (1660, 2458)]