82221760

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2887}}^1$

素因数の和:2993

約数の個数: 56

約数和(自身を含む): 198059040

約数和(自身を除く): 115837280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1780, 2848, 2887, 3560, 5696, 5774, 7120, 11548, 14240, 14435, 23096, 28480, 28870, 46192, 57740, 92384, 115480, 184768, 230960, 256943, 461920, 513886, 923840, 1027772, 1284715, 2055544, 2569430, 4111088, 5138860, 8222176, 10277720, 16444352, 20555440, 41110880, 82221760]

約数ペア:

[(1, 82221760), (2, 41110880), (4, 20555440), (5, 16444352), (8, 10277720), (10, 8222176), (16, 5138860), (20, 4111088), (32, 2569430), (40, 2055544), (64, 1284715), (80, 1027772), (89, 923840), (160, 513886), (178, 461920), (320, 256943), (356, 230960), (445, 184768), (712, 115480), (890, 92384), (1424, 57740), (1780, 46192), (2848, 28870), (2887, 28480), (3560, 23096), (5696, 14435), (5774, 14240), (7120, 11548)]