28562500

素因数分解:

$2^2\times 5^6\times {\mathrm{457}}^1$

素因数の和:491

約数の個数: 42

約数和(自身を含む): 62616386

約数和(自身を除く): 34053886

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 457, 500, 625, 914, 1250, 1828, 2285, 2500, 3125, 4570, 6250, 9140, 11425, 12500, 15625, 22850, 31250, 45700, 57125, 62500, 114250, 228500, 285625, 571250, 1142500, 1428125, 2856250, 5712500, 7140625, 14281250, 28562500]

約数ペア:

[(1, 28562500), (2, 14281250), (4, 7140625), (5, 5712500), (10, 2856250), (20, 1428125), (25, 1142500), (50, 571250), (100, 285625), (125, 228500), (250, 114250), (457, 62500), (500, 57125), (625, 45700), (914, 31250), (1250, 22850), (1828, 15625), (2285, 12500), (2500, 11425), (3125, 9140), (4570, 6250)]