57220280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{110039}}^1$

素因数の和:110063

約数の個数: 32

約数和(自身を含む): 138650400

約数和(自身を除く): 81430120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 110039, 220078, 440156, 550195, 880312, 1100390, 1430507, 2200780, 2861014, 4401560, 5722028, 7152535, 11444056, 14305070, 28610140, 57220280]

約数ペア:

[(1, 57220280), (2, 28610140), (4, 14305070), (5, 11444056), (8, 7152535), (10, 5722028), (13, 4401560), (20, 2861014), (26, 2200780), (40, 1430507), (52, 1100390), (65, 880312), (104, 550195), (130, 440156), (260, 220078), (520, 110039)]