85547320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{52163}}^1$

素因数の和:52215

約数の個数: 32

約数和(自身を含む): 197179920

約数和(自身を除く): 111632600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 52163, 104326, 208652, 260815, 417304, 521630, 1043260, 2086520, 2138683, 4277366, 8554732, 10693415, 17109464, 21386830, 42773660, 85547320]

約数ペア:

[(1, 85547320), (2, 42773660), (4, 21386830), (5, 17109464), (8, 10693415), (10, 8554732), (20, 4277366), (40, 2138683), (41, 2086520), (82, 1043260), (164, 521630), (205, 417304), (328, 260815), (410, 208652), (820, 104326), (1640, 52163)]