39800420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1381}}^1$

素因数の和:1532

約数の個数: 48

約数和(自身を含む): 91941696

約数和(自身を除く): 52141276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1381, 1441, 2620, 2762, 2882, 5524, 5764, 6905, 7205, 13810, 14410, 15191, 27620, 28820, 30382, 60764, 75955, 151910, 180911, 303820, 361822, 723644, 904555, 1809110, 1990021, 3618220, 3980042, 7960084, 9950105, 19900210, 39800420]

約数ペア:

[(1, 39800420), (2, 19900210), (4, 9950105), (5, 7960084), (10, 3980042), (11, 3618220), (20, 1990021), (22, 1809110), (44, 904555), (55, 723644), (110, 361822), (131, 303820), (220, 180911), (262, 151910), (524, 75955), (655, 60764), (1310, 30382), (1381, 28820), (1441, 27620), (2620, 15191), (2762, 14410), (2882, 13810), (5524, 7205), (5764, 6905)]