8225230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 16654464

約数和(自身を除く): 8429234

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 157, 169, 310, 314, 338, 403, 785, 806, 845, 1570, 1690, 2015, 2041, 4030, 4082, 4867, 5239, 9734, 10205, 10478, 20410, 24335, 26195, 26533, 48670, 52390, 53066, 63271, 126542, 132665, 265330, 316355, 632710, 822523, 1645046, 4112615, 8225230]

約数ペア:

[(1, 8225230), (2, 4112615), (5, 1645046), (10, 822523), (13, 632710), (26, 316355), (31, 265330), (62, 132665), (65, 126542), (130, 63271), (155, 53066), (157, 52390), (169, 48670), (310, 26533), (314, 26195), (338, 24335), (403, 20410), (785, 10478), (806, 10205), (845, 9734), (1570, 5239), (1690, 4867), (2015, 4082), (2041, 4030)]