40686350

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 78744960

約数和(自身を除く): 38058610

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 89, 178, 205, 223, 410, 445, 446, 890, 1025, 1115, 2050, 2225, 2230, 3649, 4450, 5575, 7298, 9143, 11150, 18245, 18286, 19847, 36490, 39694, 45715, 91225, 91430, 99235, 182450, 198470, 228575, 457150, 496175, 813727, 992350, 1627454, 4068635, 8137270, 20343175, 40686350]

約数ペア:

[(1, 40686350), (2, 20343175), (5, 8137270), (10, 4068635), (25, 1627454), (41, 992350), (50, 813727), (82, 496175), (89, 457150), (178, 228575), (205, 198470), (223, 182450), (410, 99235), (445, 91430), (446, 91225), (890, 45715), (1025, 39694), (1115, 36490), (2050, 19847), (2225, 18286), (2230, 18245), (3649, 11150), (4450, 9143), (5575, 7298)]