51199520

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4507}}^1$

素因数の和:4593

約数の個数: 48

約数和(自身を含む): 122689728

約数和(自身を除く): 71490208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 4507, 5680, 9014, 11360, 18028, 22535, 36056, 45070, 72112, 90140, 144224, 180280, 319997, 360560, 639994, 721120, 1279988, 1599985, 2559976, 3199970, 5119952, 6399940, 10239904, 12799880, 25599760, 51199520]

約数ペア:

[(1, 51199520), (2, 25599760), (4, 12799880), (5, 10239904), (8, 6399940), (10, 5119952), (16, 3199970), (20, 2559976), (32, 1599985), (40, 1279988), (71, 721120), (80, 639994), (142, 360560), (160, 319997), (284, 180280), (355, 144224), (568, 90140), (710, 72112), (1136, 45070), (1420, 36056), (2272, 22535), (2840, 18028), (4507, 11360), (5680, 9014)]