12625540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 27624240

約数和(自身を除く): 14998700

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 164, 173, 178, 205, 346, 356, 410, 445, 692, 820, 865, 890, 1730, 1780, 3460, 3649, 7093, 7298, 14186, 14596, 15397, 18245, 28372, 30794, 35465, 36490, 61588, 70930, 72980, 76985, 141860, 153970, 307940, 631277, 1262554, 2525108, 3156385, 6312770, 12625540]

約数ペア:

[(1, 12625540), (2, 6312770), (4, 3156385), (5, 2525108), (10, 1262554), (20, 631277), (41, 307940), (82, 153970), (89, 141860), (164, 76985), (173, 72980), (178, 70930), (205, 61588), (346, 36490), (356, 35465), (410, 30794), (445, 28372), (692, 18245), (820, 15397), (865, 14596), (890, 14186), (1730, 7298), (1780, 7093), (3460, 3649)]