8085206540

素因数分解:

$2^2\times 5^1\times {\mathrm{19489}}^1\times {\mathrm{20743}}^1$

素因数の和:40241

約数の個数: 24

約数和(自身を含む): 16980623520

約数和(自身を除く): 8895416980

約数列:

[1, 2, 4, 5, 10, 20, 19489, 20743, 38978, 41486, 77956, 82972, 97445, 103715, 194890, 207430, 389780, 414860, 404260327, 808520654, 1617041308, 2021301635, 4042603270, 8085206540]

約数ペア:

[(1, 8085206540), (2, 4042603270), (4, 2021301635), (5, 1617041308), (10, 808520654), (20, 404260327), (19489, 414860), (20743, 389780), (38978, 207430), (41486, 194890), (77956, 103715), (82972, 97445)]