54881380

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^2\times {\mathrm{269}}^1$

素因数の和:480

約数の個数: 36

約数和(自身を含む): 116836020

約数和(自身を除く): 61954640

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 269, 404, 505, 538, 1010, 1076, 1345, 2020, 2690, 5380, 10201, 20402, 27169, 40804, 51005, 54338, 102010, 108676, 135845, 204020, 271690, 543380, 2744069, 5488138, 10976276, 13720345, 27440690, 54881380]

約数ペア:

[(1, 54881380), (2, 27440690), (4, 13720345), (5, 10976276), (10, 5488138), (20, 2744069), (101, 543380), (202, 271690), (269, 204020), (404, 135845), (505, 108676), (538, 102010), (1010, 54338), (1076, 51005), (1345, 40804), (2020, 27169), (2690, 20402), (5380, 10201)]