78438040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67619}}^1$

素因数の和:67659

約数の個数: 32

約数和(自身を含む): 182574000

約数和(自身を除く): 104135960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 67619, 135238, 270476, 338095, 540952, 676190, 1352380, 1960951, 2704760, 3921902, 7843804, 9804755, 15687608, 19609510, 39219020, 78438040]

約数ペア:

[(1, 78438040), (2, 39219020), (4, 19609510), (5, 15687608), (8, 9804755), (10, 7843804), (20, 3921902), (29, 2704760), (40, 1960951), (58, 1352380), (116, 676190), (145, 540952), (232, 338095), (290, 270476), (580, 135238), (1160, 67619)]