42480230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 86704128

約数和(自身を除く): 44223898

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 83, 127, 130, 155, 166, 254, 310, 403, 415, 635, 806, 830, 1079, 1270, 1651, 2015, 2158, 2573, 3302, 3937, 4030, 5146, 5395, 7874, 8255, 10541, 10790, 12865, 16510, 19685, 21082, 25730, 33449, 39370, 51181, 52705, 66898, 102362, 105410, 137033, 167245, 255905, 274066, 326771, 334490, 511810, 653542, 685165, 1370330, 1633855, 3267710, 4248023, 8496046, 21240115, 42480230]

約数ペア:

[(1, 42480230), (2, 21240115), (5, 8496046), (10, 4248023), (13, 3267710), (26, 1633855), (31, 1370330), (62, 685165), (65, 653542), (83, 511810), (127, 334490), (130, 326771), (155, 274066), (166, 255905), (254, 167245), (310, 137033), (403, 105410), (415, 102362), (635, 66898), (806, 52705), (830, 51181), (1079, 39370), (1270, 33449), (1651, 25730), (2015, 21082), (2158, 19685), (2573, 16510), (3302, 12865), (3937, 10790), (4030, 10541), (5146, 8255), (5395, 7874)]