205090730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{50891}}^1$

素因数の和:50942

約数の個数: 32

約数和(自身を含む): 410393088

約数和(自身を除く): 205302358

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 50891, 101782, 254455, 508910, 661583, 1323166, 1577621, 3155242, 3307915, 6615830, 7888105, 15776210, 20509073, 41018146, 102545365, 205090730]

約数ペア:

[(1, 205090730), (2, 102545365), (5, 41018146), (10, 20509073), (13, 15776210), (26, 7888105), (31, 6615830), (62, 3307915), (65, 3155242), (130, 1577621), (155, 1323166), (310, 661583), (403, 508910), (806, 254455), (2015, 101782), (4030, 50891)]