26540120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16183}}^1$

素因数の和:16235

約数の個数: 32

約数和(自身を含む): 61175520

約数和(自身を除く): 34635400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 16183, 32366, 64732, 80915, 129464, 161830, 323660, 647320, 663503, 1327006, 2654012, 3317515, 5308024, 6635030, 13270060, 26540120]

約数ペア:

[(1, 26540120), (2, 13270060), (4, 6635030), (5, 5308024), (8, 3317515), (10, 2654012), (20, 1327006), (40, 663503), (41, 647320), (82, 323660), (164, 161830), (205, 129464), (328, 80915), (410, 64732), (820, 32366), (1640, 16183)]