139897600

素因数分解:

$2^8\times 5^2\times {\mathrm{21859}}^1$

素因数の和:21885

約数の個数: 54

約数和(自身を含む): 346284260

約数和(自身を除く): 206386660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 21859, 43718, 87436, 109295, 174872, 218590, 349744, 437180, 546475, 699488, 874360, 1092950, 1398976, 1748720, 2185900, 2797952, 3497440, 4371800, 5595904, 6994880, 8743600, 13989760, 17487200, 27979520, 34974400, 69948800, 139897600]

約数ペア:

[(1, 139897600), (2, 69948800), (4, 34974400), (5, 27979520), (8, 17487200), (10, 13989760), (16, 8743600), (20, 6994880), (25, 5595904), (32, 4371800), (40, 3497440), (50, 2797952), (64, 2185900), (80, 1748720), (100, 1398976), (128, 1092950), (160, 874360), (200, 699488), (256, 546475), (320, 437180), (400, 349744), (640, 218590), (800, 174872), (1280, 109295), (1600, 87436), (3200, 43718), (6400, 21859)]