201270320

素因数分解:

$2^4\times 5^1\times {\mathrm{2515879}}^1$

素因数の和:2515892

約数の個数: 20

約数和(自身を含む): 467953680

約数和(自身を除く): 266683360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2515879, 5031758, 10063516, 12579395, 20127032, 25158790, 40254064, 50317580, 100635160, 201270320]

約数ペア:

[(1, 201270320), (2, 100635160), (4, 50317580), (5, 40254064), (8, 25158790), (10, 20127032), (16, 12579395), (20, 10063516), (40, 5031758), (80, 2515879)]