261675760

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{39409}}^1$

素因数の和:39505

約数の個数: 40

約数和(自身を含む): 615741840

約数和(自身を除く): 354066080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 39409, 78818, 157636, 197045, 315272, 394090, 630544, 788180, 1576360, 3152720, 3270947, 6541894, 13083788, 16354735, 26167576, 32709470, 52335152, 65418940, 130837880, 261675760]

約数ペア:

[(1, 261675760), (2, 130837880), (4, 65418940), (5, 52335152), (8, 32709470), (10, 26167576), (16, 16354735), (20, 13083788), (40, 6541894), (80, 3270947), (83, 3152720), (166, 1576360), (332, 788180), (415, 630544), (664, 394090), (830, 315272), (1328, 197045), (1660, 157636), (3320, 78818), (6640, 39409)]