260028400

素因数分解:

$2^4\times 5^2\times {\mathrm{650071}}^1$

素因数の和:650089

約数の個数: 30

約数和(自身を含む): 624719192

約数和(自身を除く): 364690792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 650071, 1300142, 2600284, 3250355, 5200568, 6500710, 10401136, 13001420, 16251775, 26002840, 32503550, 52005680, 65007100, 130014200, 260028400]

約数ペア:

[(1, 260028400), (2, 130014200), (4, 65007100), (5, 52005680), (8, 32503550), (10, 26002840), (16, 16251775), (20, 13001420), (25, 10401136), (40, 6500710), (50, 5200568), (80, 3250355), (100, 2600284), (200, 1300142), (400, 650071)]