13194020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1291}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 32124288

約数和(自身を除く): 18930268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1291, 1460, 2044, 2555, 2582, 5110, 5164, 6455, 9037, 10220, 12910, 18074, 25820, 36148, 45185, 90370, 94243, 180740, 188486, 376972, 471215, 659701, 942430, 1319402, 1884860, 2638804, 3298505, 6597010, 13194020]

約数ペア:

[(1, 13194020), (2, 6597010), (4, 3298505), (5, 2638804), (7, 1884860), (10, 1319402), (14, 942430), (20, 659701), (28, 471215), (35, 376972), (70, 188486), (73, 180740), (140, 94243), (146, 90370), (292, 45185), (365, 36148), (511, 25820), (730, 18074), (1022, 12910), (1291, 10220), (1460, 9037), (2044, 6455), (2555, 5164), (2582, 5110)]