1640890192

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{2501357}}^1$

素因数の和:2501406

約数の個数: 20

約数和(自身を含む): 3256768116

約数和(自身を除く): 1615877924

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 2501357, 5002714, 10005428, 20010856, 40021712, 102555637, 205111274, 410222548, 820445096, 1640890192]

約数ペア:

[(1, 1640890192), (2, 820445096), (4, 410222548), (8, 205111274), (16, 102555637), (41, 40021712), (82, 20010856), (164, 10005428), (328, 5002714), (656, 2501357)]