42979040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20663}}^1$

素因数の和:20691

約数の個数: 48

約数和(自身を含む): 109353888

約数和(自身を除く): 66374848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 20663, 41326, 82652, 103315, 165304, 206630, 268619, 330608, 413260, 537238, 661216, 826520, 1074476, 1343095, 1653040, 2148952, 2686190, 3306080, 4297904, 5372380, 8595808, 10744760, 21489520, 42979040]

約数ペア:

[(1, 42979040), (2, 21489520), (4, 10744760), (5, 8595808), (8, 5372380), (10, 4297904), (13, 3306080), (16, 2686190), (20, 2148952), (26, 1653040), (32, 1343095), (40, 1074476), (52, 826520), (65, 661216), (80, 537238), (104, 413260), (130, 330608), (160, 268619), (208, 206630), (260, 165304), (416, 103315), (520, 82652), (1040, 41326), (2080, 20663)]