208540670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{3079}}^1$

素因数の和:3620

約数の個数: 32

約数和(自身を含む): 405155520

約数和(自身を除く): 196614850

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 521, 1042, 2605, 3079, 5210, 6158, 6773, 13546, 15395, 30790, 33865, 40027, 67730, 80054, 200135, 400270, 1604159, 3208318, 8020795, 16041590, 20854067, 41708134, 104270335, 208540670]

約数ペア:

[(1, 208540670), (2, 104270335), (5, 41708134), (10, 20854067), (13, 16041590), (26, 8020795), (65, 3208318), (130, 1604159), (521, 400270), (1042, 200135), (2605, 80054), (3079, 67730), (5210, 40027), (6158, 33865), (6773, 30790), (13546, 15395)]