71139100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{17351}}^1$

素因数の和:17406

約数の個数: 36

約数和(自身を含む): 158146128

約数和(自身を除く): 87007028

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 17351, 34702, 69404, 86755, 173510, 347020, 433775, 711391, 867550, 1422782, 1735100, 2845564, 3556955, 7113910, 14227820, 17784775, 35569550, 71139100]

約数ペア:

[(1, 71139100), (2, 35569550), (4, 17784775), (5, 14227820), (10, 7113910), (20, 3556955), (25, 2845564), (41, 1735100), (50, 1422782), (82, 867550), (100, 711391), (164, 433775), (205, 347020), (410, 173510), (820, 86755), (1025, 69404), (2050, 34702), (4100, 17351)]