13111720

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2011}}^1$

素因数の和:2185

約数の個数: 32

約数和(自身を含む): 29697120

約数和(自身を除く): 16585400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 2011, 3260, 4022, 6520, 8044, 10055, 16088, 20110, 40220, 80440, 327793, 655586, 1311172, 1638965, 2622344, 3277930, 6555860, 13111720]

約数ペア:

[(1, 13111720), (2, 6555860), (4, 3277930), (5, 2622344), (8, 1638965), (10, 1311172), (20, 655586), (40, 327793), (163, 80440), (326, 40220), (652, 20110), (815, 16088), (1304, 10055), (1630, 8044), (2011, 6520), (3260, 4022)]