4168040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1319}}^1$

素因数の和:1409

約数の個数: 32

約数和(自身を含む): 9504000

約数和(自身を除く): 5335960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1319, 1580, 2638, 3160, 5276, 6595, 10552, 13190, 26380, 52760, 104201, 208402, 416804, 521005, 833608, 1042010, 2084020, 4168040]

約数ペア:

[(1, 4168040), (2, 2084020), (4, 1042010), (5, 833608), (8, 521005), (10, 416804), (20, 208402), (40, 104201), (79, 52760), (158, 26380), (316, 13190), (395, 10552), (632, 6595), (790, 5276), (1319, 3160), (1580, 2638)]