12867200

素因数分解:

$2^7\times 5^2\times {\mathrm{4021}}^1$

素因数の和:4045

約数の個数: 48

約数和(自身を含む): 31793910

約数和(自身を除く): 18926710

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 4021, 8042, 16084, 20105, 32168, 40210, 64336, 80420, 100525, 128672, 160840, 201050, 257344, 321680, 402100, 514688, 643360, 804200, 1286720, 1608400, 2573440, 3216800, 6433600, 12867200]

約数ペア:

[(1, 12867200), (2, 6433600), (4, 3216800), (5, 2573440), (8, 1608400), (10, 1286720), (16, 804200), (20, 643360), (25, 514688), (32, 402100), (40, 321680), (50, 257344), (64, 201050), (80, 160840), (100, 128672), (128, 100525), (160, 80420), (200, 64336), (320, 40210), (400, 32168), (640, 20105), (800, 16084), (1600, 8042), (3200, 4021)]