1330496780

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{67129}}^1$

素因数の和:68129

約数の個数: 24

約数和(自身を含む): 2796904320

約数和(自身を除く): 1466407540

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 9910, 19820, 67129, 134258, 268516, 335645, 671290, 1342580, 66524839, 133049678, 266099356, 332624195, 665248390, 1330496780]

約数ペア:

[(1, 1330496780), (2, 665248390), (4, 332624195), (5, 266099356), (10, 133049678), (20, 66524839), (991, 1342580), (1982, 671290), (3964, 335645), (4955, 268516), (9910, 134258), (19820, 67129)]