18052000

素因数分解:

$2^5\times 5^3\times {\mathrm{4513}}^1$

素因数の和:4538

約数の個数: 48

約数和(自身を含む): 44363592

約数和(自身を除く): 26311592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 4513, 9026, 18052, 22565, 36104, 45130, 72208, 90260, 112825, 144416, 180520, 225650, 361040, 451300, 564125, 722080, 902600, 1128250, 1805200, 2256500, 3610400, 4513000, 9026000, 18052000]

約数ペア:

[(1, 18052000), (2, 9026000), (4, 4513000), (5, 3610400), (8, 2256500), (10, 1805200), (16, 1128250), (20, 902600), (25, 722080), (32, 564125), (40, 451300), (50, 361040), (80, 225650), (100, 180520), (125, 144416), (160, 112825), (200, 90260), (250, 72208), (400, 45130), (500, 36104), (800, 22565), (1000, 18052), (2000, 9026), (4000, 4513)]