1989760

素因数分解:

$2^7\times 5^1\times {\mathrm{3109}}^1$

素因数の和:3128

約数の個数: 32

約数和(自身を含む): 4758300

約数和(自身を除く): 2768540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3109, 6218, 12436, 15545, 24872, 31090, 49744, 62180, 99488, 124360, 198976, 248720, 397952, 497440, 994880, 1989760]

約数ペア:

[(1, 1989760), (2, 994880), (4, 497440), (5, 397952), (8, 248720), (10, 198976), (16, 124360), (20, 99488), (32, 62180), (40, 49744), (64, 31090), (80, 24872), (128, 15545), (160, 12436), (320, 6218), (640, 3109)]