65684840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{126317}}^1$

素因数の和:126341

約数の個数: 32

約数和(自身を含む): 159160680

約数和(自身を除く): 93475840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 126317, 252634, 505268, 631585, 1010536, 1263170, 1642121, 2526340, 3284242, 5052680, 6568484, 8210605, 13136968, 16421210, 32842420, 65684840]

約数ペア:

[(1, 65684840), (2, 32842420), (4, 16421210), (5, 13136968), (8, 8210605), (10, 6568484), (13, 5052680), (20, 3284242), (26, 2526340), (40, 1642121), (52, 1263170), (65, 1010536), (104, 631585), (130, 505268), (260, 252634), (520, 126317)]