1261036585040

素因数分解:

$2^4\times 5^1\times {\mathrm{15762957313}}^1$

素因数の和:15762957326

約数の個数: 20

約数和(自身を含む): 2931910060404

約数和(自身を除く): 1670873475364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15762957313, 31525914626, 63051829252, 78814786565, 126103658504, 157629573130, 252207317008, 315259146260, 630518292520, 1261036585040]

約数ペア:

[(1, 1261036585040), (2, 630518292520), (4, 315259146260), (5, 252207317008), (8, 157629573130), (10, 126103658504), (16, 78814786565), (20, 63051829252), (40, 31525914626), (80, 15762957313)]