2016950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 4218480

約数和(自身を除く): 2201530

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 107, 130, 145, 214, 290, 325, 377, 535, 650, 725, 754, 1070, 1391, 1450, 1885, 2675, 2782, 3103, 3770, 5350, 6206, 6955, 9425, 13910, 15515, 18850, 31030, 34775, 40339, 69550, 77575, 80678, 155150, 201695, 403390, 1008475, 2016950]

約数ペア:

[(1, 2016950), (2, 1008475), (5, 403390), (10, 201695), (13, 155150), (25, 80678), (26, 77575), (29, 69550), (50, 40339), (58, 34775), (65, 31030), (107, 18850), (130, 15515), (145, 13910), (214, 9425), (290, 6955), (325, 6206), (377, 5350), (535, 3770), (650, 3103), (725, 2782), (754, 2675), (1070, 1885), (1391, 1450)]