121656520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{30113}}^1$

素因数の和:30225

約数の個数: 32

約数和(自身を含む): 276446520

約数和(自身を除く): 154790000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 30113, 60226, 120452, 150565, 240904, 301130, 602260, 1204520, 3041413, 6082826, 12165652, 15207065, 24331304, 30414130, 60828260, 121656520]

約数ペア:

[(1, 121656520), (2, 60828260), (4, 30414130), (5, 24331304), (8, 15207065), (10, 12165652), (20, 6082826), (40, 3041413), (101, 1204520), (202, 602260), (404, 301130), (505, 240904), (808, 150565), (1010, 120452), (2020, 60226), (4040, 30113)]