40897360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10433}}^1$

素因数の和:10460

約数の個数: 60

約数和(自身を含む): 110621268

約数和(自身を除く): 69723908

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 10433, 20866, 41732, 52165, 73031, 83464, 104330, 146062, 166928, 208660, 292124, 365155, 417320, 511217, 584248, 730310, 834640, 1022434, 1168496, 1460620, 2044868, 2556085, 2921240, 4089736, 5112170, 5842480, 8179472, 10224340, 20448680, 40897360]

約数ペア:

[(1, 40897360), (2, 20448680), (4, 10224340), (5, 8179472), (7, 5842480), (8, 5112170), (10, 4089736), (14, 2921240), (16, 2556085), (20, 2044868), (28, 1460620), (35, 1168496), (40, 1022434), (49, 834640), (56, 730310), (70, 584248), (80, 511217), (98, 417320), (112, 365155), (140, 292124), (196, 208660), (245, 166928), (280, 146062), (392, 104330), (490, 83464), (560, 73031), (784, 52165), (980, 41732), (1960, 20866), (3920, 10433)]