78737840

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5153}}^1$

素因数の和:5357

約数の個数: 40

約数和(自身を含む): 184059648

約数和(自身を除く): 105321808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 3056, 3820, 5153, 7640, 10306, 15280, 20612, 25765, 41224, 51530, 82448, 103060, 206120, 412240, 984223, 1968446, 3936892, 4921115, 7873784, 9842230, 15747568, 19684460, 39368920, 78737840]

約数ペア:

[(1, 78737840), (2, 39368920), (4, 19684460), (5, 15747568), (8, 9842230), (10, 7873784), (16, 4921115), (20, 3936892), (40, 1968446), (80, 984223), (191, 412240), (382, 206120), (764, 103060), (955, 82448), (1528, 51530), (1910, 41224), (3056, 25765), (3820, 20612), (5153, 15280), (7640, 10306)]