1695164920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{2341}}^1$

素因数の和:2816

約数の個数: 64

約数和(自身を含む): 3913763040

約数和(自身を除く): 2218598120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 421, 430, 842, 860, 1684, 1720, 2105, 2341, 3368, 4210, 4682, 8420, 9364, 11705, 16840, 18103, 18728, 23410, 36206, 46820, 72412, 90515, 93640, 100663, 144824, 181030, 201326, 362060, 402652, 503315, 724120, 805304, 985561, 1006630, 1971122, 2013260, 3942244, 4026520, 4927805, 7884488, 9855610, 19711220, 39422440, 42379123, 84758246, 169516492, 211895615, 339032984, 423791230, 847582460, 1695164920]

約数ペア:

[(1, 1695164920), (2, 847582460), (4, 423791230), (5, 339032984), (8, 211895615), (10, 169516492), (20, 84758246), (40, 42379123), (43, 39422440), (86, 19711220), (172, 9855610), (215, 7884488), (344, 4927805), (421, 4026520), (430, 3942244), (842, 2013260), (860, 1971122), (1684, 1006630), (1720, 985561), (2105, 805304), (2341, 724120), (3368, 503315), (4210, 402652), (4682, 362060), (8420, 201326), (9364, 181030), (11705, 144824), (16840, 100663), (18103, 93640), (18728, 90515), (23410, 72412), (36206, 46820)]