4251260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 9779616

約数和(自身を除く): 5528356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 197, 260, 332, 394, 415, 788, 830, 985, 1079, 1660, 1970, 2158, 2561, 3940, 4316, 5122, 5395, 10244, 10790, 12805, 16351, 21580, 25610, 32702, 51220, 65404, 81755, 163510, 212563, 327020, 425126, 850252, 1062815, 2125630, 4251260]

約数ペア:

[(1, 4251260), (2, 2125630), (4, 1062815), (5, 850252), (10, 425126), (13, 327020), (20, 212563), (26, 163510), (52, 81755), (65, 65404), (83, 51220), (130, 32702), (166, 25610), (197, 21580), (260, 16351), (332, 12805), (394, 10790), (415, 10244), (788, 5395), (830, 5122), (985, 4316), (1079, 3940), (1660, 2561), (1970, 2158)]