31302020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1861}}^1$

素因数の和:1928

約数の個数: 36

約数和(自身を含む): 68115684

約数和(自身を除く): 36813664

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 1682, 1861, 3364, 3722, 4205, 7444, 8410, 9305, 16820, 18610, 37220, 53969, 107938, 215876, 269845, 539690, 1079380, 1565101, 3130202, 6260404, 7825505, 15651010, 31302020]

約数ペア:

[(1, 31302020), (2, 15651010), (4, 7825505), (5, 6260404), (10, 3130202), (20, 1565101), (29, 1079380), (58, 539690), (116, 269845), (145, 215876), (290, 107938), (580, 53969), (841, 37220), (1682, 18610), (1861, 16820), (3364, 9305), (3722, 8410), (4205, 7444)]