26118740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 57308160

約数和(自身を除く): 31189420

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 310, 409, 412, 515, 620, 818, 1030, 1636, 2045, 2060, 3193, 4090, 6386, 8180, 12679, 12772, 15965, 25358, 31930, 42127, 50716, 63395, 63860, 84254, 126790, 168508, 210635, 253580, 421270, 842540, 1305937, 2611874, 5223748, 6529685, 13059370, 26118740]

約数ペア:

[(1, 26118740), (2, 13059370), (4, 6529685), (5, 5223748), (10, 2611874), (20, 1305937), (31, 842540), (62, 421270), (103, 253580), (124, 210635), (155, 168508), (206, 126790), (310, 84254), (409, 63860), (412, 63395), (515, 50716), (620, 42127), (818, 31930), (1030, 25358), (1636, 15965), (2045, 12772), (2060, 12679), (3193, 8180), (4090, 6386)]