74245720

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1873}}^1$

素因数の和:2875

約数の個数: 32

約数和(自身を含む): 167310720

約数和(自身を除く): 93065000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1873, 1982, 3746, 3964, 4955, 7492, 7928, 9365, 9910, 14984, 18730, 19820, 37460, 39640, 74920, 1856143, 3712286, 7424572, 9280715, 14849144, 18561430, 37122860, 74245720]

約数ペア:

[(1, 74245720), (2, 37122860), (4, 18561430), (5, 14849144), (8, 9280715), (10, 7424572), (20, 3712286), (40, 1856143), (991, 74920), (1873, 39640), (1982, 37460), (3746, 19820), (3964, 18730), (4955, 14984), (7492, 9910), (7928, 9365)]