201630320

素因数分解:

$2^4\times 5^1\times {\mathrm{2520379}}^1$

素因数の和:2520392

約数の個数: 20

約数和(自身を含む): 468790680

約数和(自身を除く): 267160360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2520379, 5040758, 10081516, 12601895, 20163032, 25203790, 40326064, 50407580, 100815160, 201630320]

約数ペア:

[(1, 201630320), (2, 100815160), (4, 50407580), (5, 40326064), (8, 25203790), (10, 20163032), (16, 12601895), (20, 10081516), (40, 5040758), (80, 2520379)]