40479460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{289139}}^1$

素因数の和:289155

約数の個数: 24

約数和(自身を含む): 97151040

約数和(自身を除く): 56671580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 289139, 578278, 1156556, 1445695, 2023973, 2891390, 4047946, 5782780, 8095892, 10119865, 20239730, 40479460]

約数ペア:

[(1, 40479460), (2, 20239730), (4, 10119865), (5, 8095892), (7, 5782780), (10, 4047946), (14, 2891390), (20, 2023973), (28, 1445695), (35, 1156556), (70, 578278), (140, 289139)]