15808120

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1873}}^1$

素因数の和:2095

約数の個数: 32

約数和(自身を含む): 35755920

約数和(自身を除く): 19947800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 1873, 2110, 3746, 4220, 7492, 8440, 9365, 14984, 18730, 37460, 74920, 395203, 790406, 1580812, 1976015, 3161624, 3952030, 7904060, 15808120]

約数ペア:

[(1, 15808120), (2, 7904060), (4, 3952030), (5, 3161624), (8, 1976015), (10, 1580812), (20, 790406), (40, 395203), (211, 74920), (422, 37460), (844, 18730), (1055, 14984), (1688, 9365), (1873, 8440), (2110, 7492), (3746, 4220)]