15668519740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{76231}}^1$

素因数の和:76522

約数の個数: 48

約数和(自身を含む): 33810416640

約数和(自身を除く): 18141896900

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 239, 430, 478, 860, 956, 1195, 2390, 4780, 10277, 20554, 41108, 51385, 76231, 102770, 152462, 205540, 304924, 381155, 762310, 1524620, 3277933, 6555866, 13111732, 16389665, 18219209, 32779330, 36438418, 65558660, 72876836, 91096045, 182192090, 364384180, 783425987, 1566851974, 3133703948, 3917129935, 7834259870, 15668519740]

約数ペア:

[(1, 15668519740), (2, 7834259870), (4, 3917129935), (5, 3133703948), (10, 1566851974), (20, 783425987), (43, 364384180), (86, 182192090), (172, 91096045), (215, 72876836), (239, 65558660), (430, 36438418), (478, 32779330), (860, 18219209), (956, 16389665), (1195, 13111732), (2390, 6555866), (4780, 3277933), (10277, 1524620), (20554, 762310), (41108, 381155), (51385, 304924), (76231, 205540), (102770, 152462)]