104780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:66

約数の個数: 36

約数和(自身を含む): 245952

約数和(自身を除く): 141172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 403, 620, 676, 806, 845, 1612, 1690, 2015, 3380, 4030, 5239, 8060, 10478, 20956, 26195, 52390, 104780]

約数ペア:

[(1, 104780), (2, 52390), (4, 26195), (5, 20956), (10, 10478), (13, 8060), (20, 5239), (26, 4030), (31, 3380), (52, 2015), (62, 1690), (65, 1612), (124, 845), (130, 806), (155, 676), (169, 620), (260, 403), (310, 338)]