1279220

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{383}}^1$

素因数の和:559

約数の個数: 24

約数和(自身を含む): 2709504

約数和(自身を除く): 1430284

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 383, 668, 766, 835, 1532, 1670, 1915, 3340, 3830, 7660, 63961, 127922, 255844, 319805, 639610, 1279220]

約数ペア:

[(1, 1279220), (2, 639610), (4, 319805), (5, 255844), (10, 127922), (20, 63961), (167, 7660), (334, 3830), (383, 3340), (668, 1915), (766, 1670), (835, 1532)]