71525920

素因数分解:

$2^5\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1093}}^1$

素因数の和:1517

約数の個数: 48

約数和(自身を含む): 169548120

約数和(自身を除く): 98022200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 409, 818, 1093, 1636, 2045, 2186, 3272, 4090, 4372, 5465, 6544, 8180, 8744, 10930, 13088, 16360, 17488, 21860, 32720, 34976, 43720, 65440, 87440, 174880, 447037, 894074, 1788148, 2235185, 3576296, 4470370, 7152592, 8940740, 14305184, 17881480, 35762960, 71525920]

約数ペア:

[(1, 71525920), (2, 35762960), (4, 17881480), (5, 14305184), (8, 8940740), (10, 7152592), (16, 4470370), (20, 3576296), (32, 2235185), (40, 1788148), (80, 894074), (160, 447037), (409, 174880), (818, 87440), (1093, 65440), (1636, 43720), (2045, 34976), (2186, 32720), (3272, 21860), (4090, 17488), (4372, 16360), (5465, 13088), (6544, 10930), (8180, 8744)]