161749520

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{12107}}^1$

素因数の和:12287

約数の個数: 40

約数和(自身を含む): 378350784

約数和(自身を除く): 216601264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 6680, 12107, 13360, 24214, 48428, 60535, 96856, 121070, 193712, 242140, 484280, 968560, 2021869, 4043738, 8087476, 10109345, 16174952, 20218690, 32349904, 40437380, 80874760, 161749520]

約数ペア:

[(1, 161749520), (2, 80874760), (4, 40437380), (5, 32349904), (8, 20218690), (10, 16174952), (16, 10109345), (20, 8087476), (40, 4043738), (80, 2021869), (167, 968560), (334, 484280), (668, 242140), (835, 193712), (1336, 121070), (1670, 96856), (2672, 60535), (3340, 48428), (6680, 24214), (12107, 13360)]