13883320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 34473600

約数和(自身を除く): 20590280

約数列:

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

約数ペア:

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