40432990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 82575360

約数和(自身を除く): 42142370

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 79, 127, 130, 155, 158, 254, 310, 395, 403, 635, 790, 806, 1027, 1270, 1651, 2015, 2054, 2449, 3302, 3937, 4030, 4898, 5135, 7874, 8255, 10033, 10270, 12245, 16510, 19685, 20066, 24490, 31837, 39370, 50165, 51181, 63674, 100330, 102362, 130429, 159185, 255905, 260858, 311023, 318370, 511810, 622046, 652145, 1304290, 1555115, 3110230, 4043299, 8086598, 20216495, 40432990]

約数ペア:

[(1, 40432990), (2, 20216495), (5, 8086598), (10, 4043299), (13, 3110230), (26, 1555115), (31, 1304290), (62, 652145), (65, 622046), (79, 511810), (127, 318370), (130, 311023), (155, 260858), (158, 255905), (254, 159185), (310, 130429), (395, 102362), (403, 100330), (635, 63674), (790, 51181), (806, 50165), (1027, 39370), (1270, 31837), (1651, 24490), (2015, 20066), (2054, 19685), (2449, 16510), (3302, 12245), (3937, 10270), (4030, 10033), (4898, 8255), (5135, 7874)]