28195840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{5507}}^1$

素因数の和:5532

約数の個数: 44

約数和(自身を含む): 67649256

約数和(自身を除く): 39453416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 5507, 11014, 22028, 27535, 44056, 55070, 88112, 110140, 176224, 220280, 352448, 440560, 704896, 881120, 1409792, 1762240, 2819584, 3524480, 5639168, 7048960, 14097920, 28195840]

約数ペア:

[(1, 28195840), (2, 14097920), (4, 7048960), (5, 5639168), (8, 3524480), (10, 2819584), (16, 1762240), (20, 1409792), (32, 881120), (40, 704896), (64, 440560), (80, 352448), (128, 220280), (160, 176224), (256, 110140), (320, 88112), (512, 55070), (640, 44056), (1024, 27535), (1280, 22028), (2560, 11014), (5120, 5507)]