22239320

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6247}}^1$

素因数の和:6347

約数の個数: 32

約数和(自身を含む): 50608800

約数和(自身を除く): 28369480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 6247, 12494, 24988, 31235, 49976, 62470, 124940, 249880, 555983, 1111966, 2223932, 2779915, 4447864, 5559830, 11119660, 22239320]

約数ペア:

[(1, 22239320), (2, 11119660), (4, 5559830), (5, 4447864), (8, 2779915), (10, 2223932), (20, 1111966), (40, 555983), (89, 249880), (178, 124940), (356, 62470), (445, 49976), (712, 31235), (890, 24988), (1780, 12494), (3560, 6247)]