2027720

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 4605120

約数和(自身を除く): 2577400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 311, 326, 622, 652, 815, 1244, 1304, 1555, 1630, 2488, 3110, 3260, 6220, 6520, 12440, 50693, 101386, 202772, 253465, 405544, 506930, 1013860, 2027720]

約数ペア:

[(1, 2027720), (2, 1013860), (4, 506930), (5, 405544), (8, 253465), (10, 202772), (20, 101386), (40, 50693), (163, 12440), (311, 6520), (326, 6220), (622, 3260), (652, 3110), (815, 2488), (1244, 1630), (1304, 1555)]