2040805390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{1447}}^1$

素因数の和:2057

約数の個数: 64

約数和(自身を含む): 4174410240

約数和(自身を除く): 2133604850

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 571, 1142, 1235, 1447, 2470, 2855, 2894, 5710, 7235, 7423, 10849, 14470, 14846, 18811, 21698, 27493, 37115, 37622, 54245, 54986, 74230, 94055, 108490, 137465, 141037, 188110, 274930, 282074, 357409, 705185, 714818, 826237, 1410370, 1652474, 1787045, 3574090, 4131185, 8262370, 10741081, 15698503, 21482162, 31397006, 53705405, 78492515, 107410810, 156985030, 204080539, 408161078, 1020402695, 2040805390]

約数ペア:

[(1, 2040805390), (2, 1020402695), (5, 408161078), (10, 204080539), (13, 156985030), (19, 107410810), (26, 78492515), (38, 53705405), (65, 31397006), (95, 21482162), (130, 15698503), (190, 10741081), (247, 8262370), (494, 4131185), (571, 3574090), (1142, 1787045), (1235, 1652474), (1447, 1410370), (2470, 826237), (2855, 714818), (2894, 705185), (5710, 357409), (7235, 282074), (7423, 274930), (10849, 188110), (14470, 141037), (14846, 137465), (18811, 108490), (21698, 94055), (27493, 74230), (37115, 54986), (37622, 54245)]