321265028240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{308908681}}^1$

素因数の和:308908707

約数の個数: 40

約数和(自身を含む): 804398207928

約数和(自身を除く): 483133179688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 308908681, 617817362, 1235634724, 1544543405, 2471269448, 3089086810, 4015812853, 4942538896, 6178173620, 8031625706, 12356347240, 16063251412, 20079064265, 24712694480, 32126502824, 40158128530, 64253005648, 80316257060, 160632514120, 321265028240]

約数ペア:

[(1, 321265028240), (2, 160632514120), (4, 80316257060), (5, 64253005648), (8, 40158128530), (10, 32126502824), (13, 24712694480), (16, 20079064265), (20, 16063251412), (26, 12356347240), (40, 8031625706), (52, 6178173620), (65, 4942538896), (80, 4015812853), (104, 3089086810), (130, 2471269448), (208, 1544543405), (260, 1235634724), (520, 617817362), (1040, 308908681)]