81266030

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{1049}}^1$

素因数の和:1244

約数の個数: 32

約数和(自身を含む): 149990400

約数和(自身を除く): 68724370

約数列:

[1, 2, 5, 10, 61, 122, 127, 254, 305, 610, 635, 1049, 1270, 2098, 5245, 7747, 10490, 15494, 38735, 63989, 77470, 127978, 133223, 266446, 319945, 639890, 666115, 1332230, 8126603, 16253206, 40633015, 81266030]

約数ペア:

[(1, 81266030), (2, 40633015), (5, 16253206), (10, 8126603), (61, 1332230), (122, 666115), (127, 639890), (254, 319945), (305, 266446), (610, 133223), (635, 127978), (1049, 77470), (1270, 63989), (2098, 38735), (5245, 15494), (7747, 10490)]