51482320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20759}}^1$

素因数の和:20803

約数の個数: 40

約数和(自身を含む): 123563520

約数和(自身を除く): 72081200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 20759, 41518, 83036, 103795, 166072, 207590, 332144, 415180, 643529, 830360, 1287058, 1660720, 2574116, 3217645, 5148232, 6435290, 10296464, 12870580, 25741160, 51482320]

約数ペア:

[(1, 51482320), (2, 25741160), (4, 12870580), (5, 10296464), (8, 6435290), (10, 5148232), (16, 3217645), (20, 2574116), (31, 1660720), (40, 1287058), (62, 830360), (80, 643529), (124, 415180), (155, 332144), (248, 207590), (310, 166072), (496, 103795), (620, 83036), (1240, 41518), (2480, 20759)]