6387940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 14676480

約数和(自身を除く): 8288540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 311, 316, 395, 622, 790, 1027, 1244, 1555, 1580, 2054, 3110, 4043, 4108, 5135, 6220, 8086, 10270, 16172, 20215, 20540, 24569, 40430, 49138, 80860, 98276, 122845, 245690, 319397, 491380, 638794, 1277588, 1596985, 3193970, 6387940]

約数ペア:

[(1, 6387940), (2, 3193970), (4, 1596985), (5, 1277588), (10, 638794), (13, 491380), (20, 319397), (26, 245690), (52, 122845), (65, 98276), (79, 80860), (130, 49138), (158, 40430), (260, 24569), (311, 20540), (316, 20215), (395, 16172), (622, 10270), (790, 8086), (1027, 6220), (1244, 5135), (1555, 4108), (1580, 4043), (2054, 3110)]