129673400

素因数分解:

$2^3\times 5^2\times {\mathrm{503}}^1\times {\mathrm{1289}}^1$

素因数の和:1808

約数の個数: 48

約数和(自身を含む): 302324400

約数和(自身を除く): 172651000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 503, 1006, 1289, 2012, 2515, 2578, 4024, 5030, 5156, 6445, 10060, 10312, 12575, 12890, 20120, 25150, 25780, 32225, 50300, 51560, 64450, 100600, 128900, 257800, 648367, 1296734, 2593468, 3241835, 5186936, 6483670, 12967340, 16209175, 25934680, 32418350, 64836700, 129673400]

約数ペア:

[(1, 129673400), (2, 64836700), (4, 32418350), (5, 25934680), (8, 16209175), (10, 12967340), (20, 6483670), (25, 5186936), (40, 3241835), (50, 2593468), (100, 1296734), (200, 648367), (503, 257800), (1006, 128900), (1289, 100600), (2012, 64450), (2515, 51560), (2578, 50300), (4024, 32225), (5030, 25780), (5156, 25150), (6445, 20120), (10060, 12890), (10312, 12575)]