156920560

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{8641}}^1$

素因数の和:8881

約数の個数: 40

約数和(自身を含む): 366489936

約数和(自身を除く): 209569376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1135, 1816, 2270, 3632, 4540, 8641, 9080, 17282, 18160, 34564, 43205, 69128, 86410, 138256, 172820, 345640, 691280, 1961507, 3923014, 7846028, 9807535, 15692056, 19615070, 31384112, 39230140, 78460280, 156920560]

約数ペア:

[(1, 156920560), (2, 78460280), (4, 39230140), (5, 31384112), (8, 19615070), (10, 15692056), (16, 9807535), (20, 7846028), (40, 3923014), (80, 1961507), (227, 691280), (454, 345640), (908, 172820), (1135, 138256), (1816, 86410), (2270, 69128), (3632, 43205), (4540, 34564), (8641, 18160), (9080, 17282)]