849536480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{408431}}^1$

素因数の和:408459

約数の個数: 48

約数和(自身を含む): 2161422144

約数和(自身を除く): 1311885664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 408431, 816862, 1633724, 2042155, 3267448, 4084310, 5309603, 6534896, 8168620, 10619206, 13069792, 16337240, 21238412, 26548015, 32674480, 42476824, 53096030, 65348960, 84953648, 106192060, 169907296, 212384120, 424768240, 849536480]

約数ペア:

[(1, 849536480), (2, 424768240), (4, 212384120), (5, 169907296), (8, 106192060), (10, 84953648), (13, 65348960), (16, 53096030), (20, 42476824), (26, 32674480), (32, 26548015), (40, 21238412), (52, 16337240), (65, 13069792), (80, 10619206), (104, 8168620), (130, 6534896), (160, 5309603), (208, 4084310), (260, 3267448), (416, 2042155), (520, 1633724), (1040, 816862), (2080, 408431)]