2017806320

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{72271}}^1$

素因数の和:72633

約数の個数: 40

約数和(自身を含む): 4704907200

約数和(自身を除く): 2687100880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1745, 2792, 3490, 5584, 6980, 13960, 27920, 72271, 144542, 289084, 361355, 578168, 722710, 1156336, 1445420, 2890840, 5781680, 25222579, 50445158, 100890316, 126112895, 201780632, 252225790, 403561264, 504451580, 1008903160, 2017806320]

約数ペア:

[(1, 2017806320), (2, 1008903160), (4, 504451580), (5, 403561264), (8, 252225790), (10, 201780632), (16, 126112895), (20, 100890316), (40, 50445158), (80, 25222579), (349, 5781680), (698, 2890840), (1396, 1445420), (1745, 1156336), (2792, 722710), (3490, 578168), (5584, 361355), (6980, 289084), (13960, 144542), (27920, 72271)]