201722440

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{10271}}^1$

素因数の和:10773

約数の個数: 32

約数和(自身を含む): 454844160

約数和(自身を除く): 253121720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 9820, 10271, 19640, 20542, 41084, 51355, 82168, 102710, 205420, 410840, 5043061, 10086122, 20172244, 25215305, 40344488, 50430610, 100861220, 201722440]

約数ペア:

[(1, 201722440), (2, 100861220), (4, 50430610), (5, 40344488), (8, 25215305), (10, 20172244), (20, 10086122), (40, 5043061), (491, 410840), (982, 205420), (1964, 102710), (2455, 82168), (3928, 51355), (4910, 41084), (9820, 20542), (10271, 19640)]