156980260

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{77713}}^1$

素因数の和:77823

約数の個数: 24

約数和(自身を含む): 332926776

約数和(自身を除く): 175946516

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 77713, 155426, 310852, 388565, 777130, 1554260, 7849013, 15698026, 31396052, 39245065, 78490130, 156980260]

約数ペア:

[(1, 156980260), (2, 78490130), (4, 39245065), (5, 31396052), (10, 15698026), (20, 7849013), (101, 1554260), (202, 777130), (404, 388565), (505, 310852), (1010, 155426), (2020, 77713)]