81971950

素因数分解:

$2^1\times 5^2\times {\mathrm{167}}^1\times {\mathrm{9817}}^1$

素因数の和:9996

約数の個数: 24

約数和(自身を含む): 153396432

約数和(自身を除く): 71424482

約数列:

[1, 2, 5, 10, 25, 50, 167, 334, 835, 1670, 4175, 8350, 9817, 19634, 49085, 98170, 245425, 490850, 1639439, 3278878, 8197195, 16394390, 40985975, 81971950]

約数ペア:

[(1, 81971950), (2, 40985975), (5, 16394390), (10, 8197195), (25, 3278878), (50, 1639439), (167, 490850), (334, 245425), (835, 98170), (1670, 49085), (4175, 19634), (8350, 9817)]