221131280

素因数分解:

$2^4\times 5^1\times {\mathrm{1327}}^1\times {\mathrm{2083}}^1$

素因数の和:3423

約数の個数: 40

約数和(自身を含む): 514764672

約数和(自身を除く): 293633392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1327, 2083, 2654, 4166, 5308, 6635, 8332, 10415, 10616, 13270, 16664, 20830, 21232, 26540, 33328, 41660, 53080, 83320, 106160, 166640, 2764141, 5528282, 11056564, 13820705, 22113128, 27641410, 44226256, 55282820, 110565640, 221131280]

約数ペア:

[(1, 221131280), (2, 110565640), (4, 55282820), (5, 44226256), (8, 27641410), (10, 22113128), (16, 13820705), (20, 11056564), (40, 5528282), (80, 2764141), (1327, 166640), (2083, 106160), (2654, 83320), (4166, 53080), (5308, 41660), (6635, 33328), (8332, 26540), (10415, 21232), (10616, 20830), (13270, 16664)]