72032020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 155151360

約数和(自身を除く): 83119340

約数列:

[1, 2, 4, 5, 10, 20, 73, 103, 146, 206, 292, 365, 412, 479, 515, 730, 958, 1030, 1460, 1916, 2060, 2395, 4790, 7519, 9580, 15038, 30076, 34967, 37595, 49337, 69934, 75190, 98674, 139868, 150380, 174835, 197348, 246685, 349670, 493370, 699340, 986740, 3601601, 7203202, 14406404, 18008005, 36016010, 72032020]

約数ペア:

[(1, 72032020), (2, 36016010), (4, 18008005), (5, 14406404), (10, 7203202), (20, 3601601), (73, 986740), (103, 699340), (146, 493370), (206, 349670), (292, 246685), (365, 197348), (412, 174835), (479, 150380), (515, 139868), (730, 98674), (958, 75190), (1030, 69934), (1460, 49337), (1916, 37595), (2060, 34967), (2395, 30076), (4790, 15038), (7519, 9580)]