27766640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 71245440

約数和(自身を除く): 43478800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 139, 176, 220, 227, 278, 440, 454, 556, 695, 880, 908, 1112, 1135, 1390, 1529, 1816, 2224, 2270, 2497, 2780, 3058, 3632, 4540, 4994, 5560, 6116, 7645, 9080, 9988, 11120, 12232, 12485, 15290, 18160, 19976, 24464, 24970, 30580, 31553, 39952, 49940, 61160, 63106, 99880, 122320, 126212, 157765, 199760, 252424, 315530, 347083, 504848, 631060, 694166, 1262120, 1388332, 1735415, 2524240, 2776664, 3470830, 5553328, 6941660, 13883320, 27766640]

約数ペア:

[(1, 27766640), (2, 13883320), (4, 6941660), (5, 5553328), (8, 3470830), (10, 2776664), (11, 2524240), (16, 1735415), (20, 1388332), (22, 1262120), (40, 694166), (44, 631060), (55, 504848), (80, 347083), (88, 315530), (110, 252424), (139, 199760), (176, 157765), (220, 126212), (227, 122320), (278, 99880), (440, 63106), (454, 61160), (556, 49940), (695, 39952), (880, 31553), (908, 30580), (1112, 24970), (1135, 24464), (1390, 19976), (1529, 18160), (1816, 15290), (2224, 12485), (2270, 12232), (2497, 11120), (2780, 9988), (3058, 9080), (3632, 7645), (4540, 6116), (4994, 5560)]