86942320

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12211}}^1$

素因数の和:12313

約数の個数: 40

約数和(自身を含む): 204428880

約数和(自身を除く): 117486560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 12211, 24422, 48844, 61055, 97688, 122110, 195376, 244220, 488440, 976880, 1086779, 2173558, 4347116, 5433895, 8694232, 10867790, 17388464, 21735580, 43471160, 86942320]

約数ペア:

[(1, 86942320), (2, 43471160), (4, 21735580), (5, 17388464), (8, 10867790), (10, 8694232), (16, 5433895), (20, 4347116), (40, 2173558), (80, 1086779), (89, 976880), (178, 488440), (356, 244220), (445, 195376), (712, 122110), (890, 97688), (1424, 61055), (1780, 48844), (3560, 24422), (7120, 12211)]