25647824

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:387

約数の個数: 40

約数和(自身を含む): 51068160

約数和(自身を除く): 25420336

約数列:

[1, 2, 4, 8, 16, 79, 103, 158, 197, 206, 316, 394, 412, 632, 788, 824, 1264, 1576, 1648, 3152, 8137, 15563, 16274, 20291, 31126, 32548, 40582, 62252, 65096, 81164, 124504, 130192, 162328, 249008, 324656, 1602989, 3205978, 6411956, 12823912, 25647824]

約数ペア:

[(1, 25647824), (2, 12823912), (4, 6411956), (8, 3205978), (16, 1602989), (79, 324656), (103, 249008), (158, 162328), (197, 130192), (206, 124504), (316, 81164), (394, 65096), (412, 62252), (632, 40582), (788, 32548), (824, 31126), (1264, 20291), (1576, 16274), (1648, 15563), (3152, 8137)]