2740660

素因数分解:

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

素因数の和:232

約数の個数: 48

約数和(自身を含む): 6322176

約数和(自身を除く): 3581516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 127, 130, 166, 254, 260, 332, 415, 508, 635, 830, 1079, 1270, 1651, 1660, 2158, 2540, 3302, 4316, 5395, 6604, 8255, 10541, 10790, 16510, 21082, 21580, 33020, 42164, 52705, 105410, 137033, 210820, 274066, 548132, 685165, 1370330, 2740660]

約数ペア:

[(1, 2740660), (2, 1370330), (4, 685165), (5, 548132), (10, 274066), (13, 210820), (20, 137033), (26, 105410), (52, 52705), (65, 42164), (83, 33020), (127, 21580), (130, 21082), (166, 16510), (254, 10790), (260, 10541), (332, 8255), (415, 6604), (508, 5395), (635, 4316), (830, 3302), (1079, 2540), (1270, 2158), (1651, 1660)]