123155440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{35801}}^1$

素因数の和:35857

約数の個数: 40

約数和(自身を含む): 293003568

約数和(自身を除く): 169848128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 35801, 71602, 143204, 179005, 286408, 358010, 572816, 716020, 1432040, 1539443, 2864080, 3078886, 6157772, 7697215, 12315544, 15394430, 24631088, 30788860, 61577720, 123155440]

約数ペア:

[(1, 123155440), (2, 61577720), (4, 30788860), (5, 24631088), (8, 15394430), (10, 12315544), (16, 7697215), (20, 6157772), (40, 3078886), (43, 2864080), (80, 1539443), (86, 1432040), (172, 716020), (215, 572816), (344, 358010), (430, 286408), (688, 179005), (860, 143204), (1720, 71602), (3440, 35801)]