27682070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6869}}^1$

素因数の和:6920

約数の個数: 32

約数和(自身を含む): 55399680

約数和(自身を除く): 27717610

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 6869, 13738, 34345, 68690, 89297, 178594, 212939, 425878, 446485, 892970, 1064695, 2129390, 2768207, 5536414, 13841035, 27682070]

約数ペア:

[(1, 27682070), (2, 13841035), (5, 5536414), (10, 2768207), (13, 2129390), (26, 1064695), (31, 892970), (62, 446485), (65, 425878), (130, 212939), (155, 178594), (310, 89297), (403, 68690), (806, 34345), (2015, 13738), (4030, 6869)]