22247800

素因数分解:

$2^3\times 5^2\times {\mathrm{173}}^1\times {\mathrm{643}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 52106040

約数和(自身を除く): 29858240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 173, 200, 346, 643, 692, 865, 1286, 1384, 1730, 2572, 3215, 3460, 4325, 5144, 6430, 6920, 8650, 12860, 16075, 17300, 25720, 32150, 34600, 64300, 111239, 128600, 222478, 444956, 556195, 889912, 1112390, 2224780, 2780975, 4449560, 5561950, 11123900, 22247800]

約数ペア:

[(1, 22247800), (2, 11123900), (4, 5561950), (5, 4449560), (8, 2780975), (10, 2224780), (20, 1112390), (25, 889912), (40, 556195), (50, 444956), (100, 222478), (173, 128600), (200, 111239), (346, 64300), (643, 34600), (692, 32150), (865, 25720), (1286, 17300), (1384, 16075), (1730, 12860), (2572, 8650), (3215, 6920), (3460, 6430), (4325, 5144)]