4309720

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{661}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 9771120

約数和(自身を除く): 5461400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 661, 815, 1304, 1322, 1630, 2644, 3260, 3305, 5288, 6520, 6610, 13220, 26440, 107743, 215486, 430972, 538715, 861944, 1077430, 2154860, 4309720]

約数ペア:

[(1, 4309720), (2, 2154860), (4, 1077430), (5, 861944), (8, 538715), (10, 430972), (20, 215486), (40, 107743), (163, 26440), (326, 13220), (652, 6610), (661, 6520), (815, 5288), (1304, 3305), (1322, 3260), (1630, 2644)]