68958640

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{4513}}^1$

素因数の和:4717

約数の個数: 40

約数和(自身を含む): 161203968

約数和(自身を除く): 92245328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 3056, 3820, 4513, 7640, 9026, 15280, 18052, 22565, 36104, 45130, 72208, 90260, 180520, 361040, 861983, 1723966, 3447932, 4309915, 6895864, 8619830, 13791728, 17239660, 34479320, 68958640]

約数ペア:

[(1, 68958640), (2, 34479320), (4, 17239660), (5, 13791728), (8, 8619830), (10, 6895864), (16, 4309915), (20, 3447932), (40, 1723966), (80, 861983), (191, 361040), (382, 180520), (764, 90260), (955, 72208), (1528, 45130), (1910, 36104), (3056, 22565), (3820, 18052), (4513, 15280), (7640, 9026)]