3979520

素因数分解:

$2^8\times 5^1\times {\mathrm{3109}}^1$

素因数の和:3130

約数の個数: 36

約数和(自身を含む): 9535260

約数和(自身を除く): 5555740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 3109, 6218, 12436, 15545, 24872, 31090, 49744, 62180, 99488, 124360, 198976, 248720, 397952, 497440, 795904, 994880, 1989760, 3979520]

約数ペア:

[(1, 3979520), (2, 1989760), (4, 994880), (5, 795904), (8, 497440), (10, 397952), (16, 248720), (20, 198976), (32, 124360), (40, 99488), (64, 62180), (80, 49744), (128, 31090), (160, 24872), (256, 15545), (320, 12436), (640, 6218), (1280, 3109)]