69847880

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{3821}}^1$

素因数の和:4289

約数の個数: 32

約数和(自身を含む): 157542840

約数和(自身を除く): 87694960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3656, 3821, 4570, 7642, 9140, 15284, 18280, 19105, 30568, 38210, 76420, 152840, 1746197, 3492394, 6984788, 8730985, 13969576, 17461970, 34923940, 69847880]

約数ペア:

[(1, 69847880), (2, 34923940), (4, 17461970), (5, 13969576), (8, 8730985), (10, 6984788), (20, 3492394), (40, 1746197), (457, 152840), (914, 76420), (1828, 38210), (2285, 30568), (3656, 19105), (3821, 18280), (4570, 15284), (7642, 9140)]