2919040

素因数分解:

$2^7\times 5^1\times {\mathrm{4561}}^1$

素因数の和:4580

約数の個数: 32

約数和(自身を含む): 6979860

約数和(自身を除く): 4060820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 4561, 9122, 18244, 22805, 36488, 45610, 72976, 91220, 145952, 182440, 291904, 364880, 583808, 729760, 1459520, 2919040]

約数ペア:

[(1, 2919040), (2, 1459520), (4, 729760), (5, 583808), (8, 364880), (10, 291904), (16, 182440), (20, 145952), (32, 91220), (40, 72976), (64, 45610), (80, 36488), (128, 22805), (160, 18244), (320, 9122), (640, 4561)]