13781500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:703

約数の個数: 48

約数和(自身を含む): 30846816

約数和(自身を除く): 17065316

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 430, 500, 641, 860, 1075, 1282, 2150, 2564, 3205, 4300, 5375, 6410, 10750, 12820, 16025, 21500, 27563, 32050, 55126, 64100, 80125, 110252, 137815, 160250, 275630, 320500, 551260, 689075, 1378150, 2756300, 3445375, 6890750, 13781500]

約数ペア:

[(1, 13781500), (2, 6890750), (4, 3445375), (5, 2756300), (10, 1378150), (20, 689075), (25, 551260), (43, 320500), (50, 275630), (86, 160250), (100, 137815), (125, 110252), (172, 80125), (215, 64100), (250, 55126), (430, 32050), (500, 27563), (641, 21500), (860, 16025), (1075, 12820), (1282, 10750), (2150, 6410), (2564, 5375), (3205, 4300)]