320203910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{769}}^1\times {\mathrm{3203}}^1$

素因数の和:3992

約数の個数: 32

約数和(自身を含む): 621704160

約数和(自身を除く): 301500250

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 769, 1538, 3203, 3845, 6406, 7690, 9997, 16015, 19994, 32030, 41639, 49985, 83278, 99970, 208195, 416390, 2463107, 4926214, 12315535, 24631070, 32020391, 64040782, 160101955, 320203910]

約数ペア:

[(1, 320203910), (2, 160101955), (5, 64040782), (10, 32020391), (13, 24631070), (26, 12315535), (65, 4926214), (130, 2463107), (769, 416390), (1538, 208195), (3203, 99970), (3845, 83278), (6406, 49985), (7690, 41639), (9997, 32030), (16015, 19994)]