25238512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1709}}^1$

素因数の和:1801

約数の個数: 40

約数和(自身を含む): 53434080

約数和(自身を除く): 28195568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1709, 1846, 3418, 3692, 6836, 7384, 13672, 14768, 22217, 27344, 44434, 88868, 121339, 177736, 242678, 355472, 485356, 970712, 1577407, 1941424, 3154814, 6309628, 12619256, 25238512]

約数ペア:

[(1, 25238512), (2, 12619256), (4, 6309628), (8, 3154814), (13, 1941424), (16, 1577407), (26, 970712), (52, 485356), (71, 355472), (104, 242678), (142, 177736), (208, 121339), (284, 88868), (568, 44434), (923, 27344), (1136, 22217), (1709, 14768), (1846, 13672), (3418, 7384), (3692, 6836)]