778832080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{748877}}^1$

素因数の和:748903

約数の個数: 40

約数和(自身を含む): 1950078312

約数和(自身を除く): 1171246232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 748877, 1497754, 2995508, 3744385, 5991016, 7488770, 9735401, 11982032, 14977540, 19470802, 29955080, 38941604, 48677005, 59910160, 77883208, 97354010, 155766416, 194708020, 389416040, 778832080]

約数ペア:

[(1, 778832080), (2, 389416040), (4, 194708020), (5, 155766416), (8, 97354010), (10, 77883208), (13, 59910160), (16, 48677005), (20, 38941604), (26, 29955080), (40, 19470802), (52, 14977540), (65, 11982032), (80, 9735401), (104, 7488770), (130, 5991016), (208, 3744385), (260, 2995508), (520, 1497754), (1040, 748877)]