13989760

素因数分解:

$2^7\times 5^1\times {\mathrm{21859}}^1$

素因数の和:21878

約数の個数: 32

約数和(自身を含む): 33445800

約数和(自身を除く): 19456040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 21859, 43718, 87436, 109295, 174872, 218590, 349744, 437180, 699488, 874360, 1398976, 1748720, 2797952, 3497440, 6994880, 13989760]

約数ペア:

[(1, 13989760), (2, 6994880), (4, 3497440), (5, 2797952), (8, 1748720), (10, 1398976), (16, 874360), (20, 699488), (32, 437180), (40, 349744), (64, 218590), (80, 174872), (128, 109295), (160, 87436), (320, 43718), (640, 21859)]