204865000

素因数分解:

$2^3\times 5^4\times {\mathrm{40973}}^1$

素因数の和:40999

約数の個数: 40

約数和(自身を含む): 480010410

約数和(自身を除く): 275145410

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 40973, 81946, 163892, 204865, 327784, 409730, 819460, 1024325, 1638920, 2048650, 4097300, 5121625, 8194600, 10243250, 20486500, 25608125, 40973000, 51216250, 102432500, 204865000]

約数ペア:

[(1, 204865000), (2, 102432500), (4, 51216250), (5, 40973000), (8, 25608125), (10, 20486500), (20, 10243250), (25, 8194600), (40, 5121625), (50, 4097300), (100, 2048650), (125, 1638920), (200, 1024325), (250, 819460), (500, 409730), (625, 327784), (1000, 204865), (1250, 163892), (2500, 81946), (5000, 40973)]