3964220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 9125760

約数和(自身を除く): 5161540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 193, 260, 316, 386, 395, 772, 790, 965, 1027, 1580, 1930, 2054, 2509, 3860, 4108, 5018, 5135, 10036, 10270, 12545, 15247, 20540, 25090, 30494, 50180, 60988, 76235, 152470, 198211, 304940, 396422, 792844, 991055, 1982110, 3964220]

約数ペア:

[(1, 3964220), (2, 1982110), (4, 991055), (5, 792844), (10, 396422), (13, 304940), (20, 198211), (26, 152470), (52, 76235), (65, 60988), (79, 50180), (130, 30494), (158, 25090), (193, 20540), (260, 15247), (316, 12545), (386, 10270), (395, 10036), (772, 5135), (790, 5018), (965, 4108), (1027, 3860), (1580, 2509), (1930, 2054)]