156973132280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{91263449}}^1$

素因数の和:91263503

約数の個数: 32

約数和(自身を含む): 361403262000

約数和(自身を除く): 204430129720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 91263449, 182526898, 365053796, 456317245, 730107592, 912634490, 1825268980, 3650537960, 3924328307, 7848656614, 15697313228, 19621641535, 31394626456, 39243283070, 78486566140, 156973132280]

約数ペア:

[(1, 156973132280), (2, 78486566140), (4, 39243283070), (5, 31394626456), (8, 19621641535), (10, 15697313228), (20, 7848656614), (40, 3924328307), (43, 3650537960), (86, 1825268980), (172, 912634490), (215, 730107592), (344, 456317245), (430, 365053796), (860, 182526898), (1720, 91263449)]