128521520

素因数分解:

$2^4\times 5^1\times {\mathrm{293}}^1\times {\mathrm{5483}}^1$

素因数の和:5789

約数の個数: 40

約数和(自身を含む): 299887056

約数和(自身を除く): 171365536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 293, 586, 1172, 1465, 2344, 2930, 4688, 5483, 5860, 10966, 11720, 21932, 23440, 27415, 43864, 54830, 87728, 109660, 219320, 438640, 1606519, 3213038, 6426076, 8032595, 12852152, 16065190, 25704304, 32130380, 64260760, 128521520]

約数ペア:

[(1, 128521520), (2, 64260760), (4, 32130380), (5, 25704304), (8, 16065190), (10, 12852152), (16, 8032595), (20, 6426076), (40, 3213038), (80, 1606519), (293, 438640), (586, 219320), (1172, 109660), (1465, 87728), (2344, 54830), (2930, 43864), (4688, 27415), (5483, 23440), (5860, 21932), (10966, 11720)]