39660420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1997}}^1$

素因数の和:2340

約数の個数: 48

約数和(自身を含む): 111440448

約数和(自身を除く): 71780028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331, 662, 993, 1324, 1655, 1986, 1997, 3310, 3972, 3994, 4965, 5991, 6620, 7988, 9930, 9985, 11982, 19860, 19970, 23964, 29955, 39940, 59910, 119820, 661007, 1322014, 1983021, 2644028, 3305035, 3966042, 6610070, 7932084, 9915105, 13220140, 19830210, 39660420]

約数ペア:

[(1, 39660420), (2, 19830210), (3, 13220140), (4, 9915105), (5, 7932084), (6, 6610070), (10, 3966042), (12, 3305035), (15, 2644028), (20, 1983021), (30, 1322014), (60, 661007), (331, 119820), (662, 59910), (993, 39940), (1324, 29955), (1655, 23964), (1986, 19970), (1997, 19860), (3310, 11982), (3972, 9985), (3994, 9930), (4965, 7988), (5991, 6620)]