4322920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{15439}}^1$

素因数の和:15457

約数の個数: 32

約数和(自身を含む): 11116800

約数和(自身を除く): 6793880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 15439, 30878, 61756, 77195, 108073, 123512, 154390, 216146, 308780, 432292, 540365, 617560, 864584, 1080730, 2161460, 4322920]

約数ペア:

[(1, 4322920), (2, 2161460), (4, 1080730), (5, 864584), (7, 617560), (8, 540365), (10, 432292), (14, 308780), (20, 216146), (28, 154390), (35, 123512), (40, 108073), (56, 77195), (70, 61756), (140, 30878), (280, 15439)]