81192670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:589

約数の個数: 48

約数和(自身を含む): 160088400

約数和(自身を除く): 78895730

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 130, 169, 214, 338, 449, 535, 845, 898, 1070, 1391, 1690, 2245, 2782, 4490, 5837, 6955, 11674, 13910, 18083, 29185, 36166, 48043, 58370, 75881, 90415, 96086, 151762, 180830, 240215, 379405, 480430, 624559, 758810, 1249118, 3122795, 6245590, 8119267, 16238534, 40596335, 81192670]

約数ペア:

[(1, 81192670), (2, 40596335), (5, 16238534), (10, 8119267), (13, 6245590), (26, 3122795), (65, 1249118), (107, 758810), (130, 624559), (169, 480430), (214, 379405), (338, 240215), (449, 180830), (535, 151762), (845, 96086), (898, 90415), (1070, 75881), (1391, 58370), (1690, 48043), (2245, 36166), (2782, 29185), (4490, 18083), (5837, 13910), (6955, 11674)]