5187500

素因数分解:

$2^2\times 5^6\times {\mathrm{83}}^1$

素因数の和:117

約数の個数: 42

約数和(自身を含む): 11484228

約数和(自身を除く): 6296728

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 125, 166, 250, 332, 415, 500, 625, 830, 1250, 1660, 2075, 2500, 3125, 4150, 6250, 8300, 10375, 12500, 15625, 20750, 31250, 41500, 51875, 62500, 103750, 207500, 259375, 518750, 1037500, 1296875, 2593750, 5187500]

約数ペア:

[(1, 5187500), (2, 2593750), (4, 1296875), (5, 1037500), (10, 518750), (20, 259375), (25, 207500), (50, 103750), (83, 62500), (100, 51875), (125, 41500), (166, 31250), (250, 20750), (332, 15625), (415, 12500), (500, 10375), (625, 8300), (830, 6250), (1250, 4150), (1660, 3125), (2075, 2500)]