2008235464360

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{311}}^1\times {\mathrm{891899}}^1$

素因数の和:892402

約数の個数: 64

約数和(自身を含む): 4558108464000

約数和(自身を除く): 2549872999640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 311, 362, 622, 724, 905, 1244, 1448, 1555, 1810, 2488, 3110, 3620, 6220, 7240, 12440, 56291, 112582, 225164, 281455, 450328, 562910, 891899, 1125820, 1783798, 2251640, 3567596, 4459495, 7135192, 8918990, 17837980, 35675960, 161433719, 277380589, 322867438, 554761178, 645734876, 807168595, 1109522356, 1291469752, 1386902945, 1614337190, 2219044712, 2773805890, 3228674380, 5547611780, 6457348760, 11095223560, 50205886609, 100411773218, 200823546436, 251029433045, 401647092872, 502058866090, 1004117732180, 2008235464360]

約数ペア:

[(1, 2008235464360), (2, 1004117732180), (4, 502058866090), (5, 401647092872), (8, 251029433045), (10, 200823546436), (20, 100411773218), (40, 50205886609), (181, 11095223560), (311, 6457348760), (362, 5547611780), (622, 3228674380), (724, 2773805890), (905, 2219044712), (1244, 1614337190), (1448, 1386902945), (1555, 1291469752), (1810, 1109522356), (2488, 807168595), (3110, 645734876), (3620, 554761178), (6220, 322867438), (7240, 277380589), (12440, 161433719), (56291, 35675960), (112582, 17837980), (225164, 8918990), (281455, 7135192), (450328, 4459495), (562910, 3567596), (891899, 2251640), (1125820, 1783798)]