60040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:109

約数の個数: 32

約数和(自身を含む): 144000

約数和(自身を除く): 83960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 632, 760, 790, 1501, 1580, 3002, 3160, 6004, 7505, 12008, 15010, 30020, 60040]

約数ペア:

[(1, 60040), (2, 30020), (4, 15010), (5, 12008), (8, 7505), (10, 6004), (19, 3160), (20, 3002), (38, 1580), (40, 1501), (76, 790), (79, 760), (95, 632), (152, 395), (158, 380), (190, 316)]