12520430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 26429760

約数和(自身を除く): 13909330

約数列:

[1, 2, 5, 10, 13, 19, 26, 37, 38, 65, 74, 95, 130, 137, 185, 190, 247, 274, 370, 481, 494, 685, 703, 962, 1235, 1370, 1406, 1781, 2405, 2470, 2603, 3515, 3562, 4810, 5069, 5206, 7030, 8905, 9139, 10138, 13015, 17810, 18278, 25345, 26030, 33839, 45695, 50690, 65897, 67678, 91390, 96311, 131794, 169195, 192622, 329485, 338390, 481555, 658970, 963110, 1252043, 2504086, 6260215, 12520430]

約数ペア:

[(1, 12520430), (2, 6260215), (5, 2504086), (10, 1252043), (13, 963110), (19, 658970), (26, 481555), (37, 338390), (38, 329485), (65, 192622), (74, 169195), (95, 131794), (130, 96311), (137, 91390), (185, 67678), (190, 65897), (247, 50690), (274, 45695), (370, 33839), (481, 26030), (494, 25345), (685, 18278), (703, 17810), (962, 13015), (1235, 10138), (1370, 9139), (1406, 8905), (1781, 7030), (2405, 5206), (2470, 5069), (2603, 4810), (3515, 3562)]