39445840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{70439}}^1$

素因数の和:70459

約数の個数: 40

約数和(自身を含む): 104814720

約数和(自身を除く): 65368880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 70439, 140878, 281756, 352195, 493073, 563512, 704390, 986146, 1127024, 1408780, 1972292, 2465365, 2817560, 3944584, 4930730, 5635120, 7889168, 9861460, 19722920, 39445840]

約数ペア:

[(1, 39445840), (2, 19722920), (4, 9861460), (5, 7889168), (7, 5635120), (8, 4930730), (10, 3944584), (14, 2817560), (16, 2465365), (20, 1972292), (28, 1408780), (35, 1127024), (40, 986146), (56, 704390), (70, 563512), (80, 493073), (112, 352195), (140, 281756), (280, 140878), (560, 70439)]