56831720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{569}}^1$

素因数の和:818

約数の個数: 64

約数和(自身を含む): 140356800

約数和(自身を除く): 83525080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 227, 440, 454, 569, 908, 1135, 1138, 1816, 2270, 2276, 2497, 2845, 4540, 4552, 4994, 5690, 6259, 9080, 9988, 11380, 12485, 12518, 19976, 22760, 24970, 25036, 31295, 49940, 50072, 62590, 99880, 125180, 129163, 250360, 258326, 516652, 645815, 1033304, 1291630, 1420793, 2583260, 2841586, 5166520, 5683172, 7103965, 11366344, 14207930, 28415860, 56831720]

約数ペア:

[(1, 56831720), (2, 28415860), (4, 14207930), (5, 11366344), (8, 7103965), (10, 5683172), (11, 5166520), (20, 2841586), (22, 2583260), (40, 1420793), (44, 1291630), (55, 1033304), (88, 645815), (110, 516652), (220, 258326), (227, 250360), (440, 129163), (454, 125180), (569, 99880), (908, 62590), (1135, 50072), (1138, 49940), (1816, 31295), (2270, 25036), (2276, 24970), (2497, 22760), (2845, 19976), (4540, 12518), (4552, 12485), (4994, 11380), (5690, 9988), (6259, 9080)]