65528580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{84011}}^1$

素因数の和:84036

約数の個数: 48

約数和(自身を含む): 197596224

約数和(自身を除く): 132067644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 84011, 168022, 252033, 336044, 420055, 504066, 840110, 1008132, 1092143, 1260165, 1680220, 2184286, 2520330, 3276429, 4368572, 5040660, 5460715, 6552858, 10921430, 13105716, 16382145, 21842860, 32764290, 65528580]

約数ペア:

[(1, 65528580), (2, 32764290), (3, 21842860), (4, 16382145), (5, 13105716), (6, 10921430), (10, 6552858), (12, 5460715), (13, 5040660), (15, 4368572), (20, 3276429), (26, 2520330), (30, 2184286), (39, 1680220), (52, 1260165), (60, 1092143), (65, 1008132), (78, 840110), (130, 504066), (156, 420055), (195, 336044), (260, 252033), (390, 168022), (780, 84011)]