11457860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 25084080

約数和(自身を除く): 13626220

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 157, 164, 178, 205, 314, 356, 410, 445, 628, 785, 820, 890, 1570, 1780, 3140, 3649, 6437, 7298, 12874, 13973, 14596, 18245, 25748, 27946, 32185, 36490, 55892, 64370, 69865, 72980, 128740, 139730, 279460, 572893, 1145786, 2291572, 2864465, 5728930, 11457860]

約数ペア:

[(1, 11457860), (2, 5728930), (4, 2864465), (5, 2291572), (10, 1145786), (20, 572893), (41, 279460), (82, 139730), (89, 128740), (157, 72980), (164, 69865), (178, 64370), (205, 55892), (314, 36490), (356, 32185), (410, 27946), (445, 25748), (628, 18245), (785, 14596), (820, 13973), (890, 12874), (1570, 7298), (1780, 6437), (3140, 3649)]