71065540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39047}}^1$

素因数の和:39076

約数の個数: 48

約数和(自身を含む): 183681792

約数和(自身を除く): 112616252

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 39047, 78094, 156188, 195235, 273329, 390470, 507611, 546658, 780940, 1015222, 1093316, 1366645, 2030444, 2538055, 2733290, 3553277, 5076110, 5466580, 7106554, 10152220, 14213108, 17766385, 35532770, 71065540]

約数ペア:

[(1, 71065540), (2, 35532770), (4, 17766385), (5, 14213108), (7, 10152220), (10, 7106554), (13, 5466580), (14, 5076110), (20, 3553277), (26, 2733290), (28, 2538055), (35, 2030444), (52, 1366645), (65, 1093316), (70, 1015222), (91, 780940), (130, 546658), (140, 507611), (182, 390470), (260, 273329), (364, 195235), (455, 156188), (910, 78094), (1820, 39047)]