26388040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1291}}^1$

素因数の和:1382

約数の個数: 64

約数和(自身を含む): 68837760

約数和(自身を除く): 42449720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1291, 1460, 2044, 2555, 2582, 2920, 4088, 5110, 5164, 6455, 9037, 10220, 10328, 12910, 18074, 20440, 25820, 36148, 45185, 51640, 72296, 90370, 94243, 180740, 188486, 361480, 376972, 471215, 659701, 753944, 942430, 1319402, 1884860, 2638804, 3298505, 3769720, 5277608, 6597010, 13194020, 26388040]

約数ペア:

[(1, 26388040), (2, 13194020), (4, 6597010), (5, 5277608), (7, 3769720), (8, 3298505), (10, 2638804), (14, 1884860), (20, 1319402), (28, 942430), (35, 753944), (40, 659701), (56, 471215), (70, 376972), (73, 361480), (140, 188486), (146, 180740), (280, 94243), (292, 90370), (365, 72296), (511, 51640), (584, 45185), (730, 36148), (1022, 25820), (1291, 20440), (1460, 18074), (2044, 12910), (2555, 10328), (2582, 10220), (2920, 9037), (4088, 6455), (5110, 5164)]