2235680

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 5375160

約数和(自身を除く): 3139480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 157, 160, 178, 314, 356, 445, 628, 712, 785, 890, 1256, 1424, 1570, 1780, 2512, 2848, 3140, 3560, 5024, 6280, 7120, 12560, 13973, 14240, 25120, 27946, 55892, 69865, 111784, 139730, 223568, 279460, 447136, 558920, 1117840, 2235680]

約数ペア:

[(1, 2235680), (2, 1117840), (4, 558920), (5, 447136), (8, 279460), (10, 223568), (16, 139730), (20, 111784), (32, 69865), (40, 55892), (80, 27946), (89, 25120), (157, 14240), (160, 13973), (178, 12560), (314, 7120), (356, 6280), (445, 5024), (628, 3560), (712, 3140), (785, 2848), (890, 2512), (1256, 1780), (1424, 1570)]