25440704

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:445

約数の個数: 56

約数和(自身を含む): 54406800

約数和(自身を除く): 28966096

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 67, 68, 134, 136, 268, 272, 349, 536, 544, 698, 1072, 1088, 1139, 1396, 2144, 2278, 2792, 4288, 4556, 5584, 5933, 9112, 11168, 11866, 18224, 22336, 23383, 23732, 36448, 46766, 47464, 72896, 93532, 94928, 187064, 189856, 374128, 379712, 397511, 748256, 795022, 1496512, 1590044, 3180088, 6360176, 12720352, 25440704]

約数ペア:

[(1, 25440704), (2, 12720352), (4, 6360176), (8, 3180088), (16, 1590044), (17, 1496512), (32, 795022), (34, 748256), (64, 397511), (67, 379712), (68, 374128), (134, 189856), (136, 187064), (268, 94928), (272, 93532), (349, 72896), (536, 47464), (544, 46766), (698, 36448), (1072, 23732), (1088, 23383), (1139, 22336), (1396, 18224), (2144, 11866), (2278, 11168), (2792, 9112), (4288, 5933), (4556, 5584)]