155647480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{94907}}^1$

素因数の和:94959

約数の個数: 32

約数和(自身を含む): 358752240

約数和(自身を除く): 203104760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 94907, 189814, 379628, 474535, 759256, 949070, 1898140, 3796280, 3891187, 7782374, 15564748, 19455935, 31129496, 38911870, 77823740, 155647480]

約数ペア:

[(1, 155647480), (2, 77823740), (4, 38911870), (5, 31129496), (8, 19455935), (10, 15564748), (20, 7782374), (40, 3891187), (41, 3796280), (82, 1898140), (164, 949070), (205, 759256), (328, 474535), (410, 379628), (820, 189814), (1640, 94907)]