27710020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{541}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 63101808

約数和(自身を除く): 35391788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 260, 394, 541, 788, 985, 1082, 1970, 2164, 2561, 2705, 3940, 5122, 5410, 7033, 10244, 10820, 12805, 14066, 25610, 28132, 35165, 51220, 70330, 106577, 140660, 213154, 426308, 532885, 1065770, 1385501, 2131540, 2771002, 5542004, 6927505, 13855010, 27710020]

約数ペア:

[(1, 27710020), (2, 13855010), (4, 6927505), (5, 5542004), (10, 2771002), (13, 2131540), (20, 1385501), (26, 1065770), (52, 532885), (65, 426308), (130, 213154), (197, 140660), (260, 106577), (394, 70330), (541, 51220), (788, 35165), (985, 28132), (1082, 25610), (1970, 14066), (2164, 12805), (2561, 10820), (2705, 10244), (3940, 7033), (5122, 5410)]