2008231720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{28001}}^1$

素因数の和:28186

約数の個数: 64

約数和(自身を含む): 4959714240

約数和(自身を除く): 2951482520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 163, 220, 326, 440, 652, 815, 1304, 1630, 1793, 3260, 3586, 6520, 7172, 8965, 14344, 17930, 28001, 35860, 56002, 71720, 112004, 140005, 224008, 280010, 308011, 560020, 616022, 1120040, 1232044, 1540055, 2464088, 3080110, 4564163, 6160220, 9128326, 12320440, 18256652, 22820815, 36513304, 45641630, 50205793, 91283260, 100411586, 182566520, 200823172, 251028965, 401646344, 502057930, 1004115860, 2008231720]

約数ペア:

[(1, 2008231720), (2, 1004115860), (4, 502057930), (5, 401646344), (8, 251028965), (10, 200823172), (11, 182566520), (20, 100411586), (22, 91283260), (40, 50205793), (44, 45641630), (55, 36513304), (88, 22820815), (110, 18256652), (163, 12320440), (220, 9128326), (326, 6160220), (440, 4564163), (652, 3080110), (815, 2464088), (1304, 1540055), (1630, 1232044), (1793, 1120040), (3260, 616022), (3586, 560020), (6520, 308011), (7172, 280010), (8965, 224008), (14344, 140005), (17930, 112004), (28001, 71720), (35860, 56002)]