799969840

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{76333}}^1$

素因数の和:76477

約数の個数: 40

約数和(自身を含む): 1874152368

約数和(自身を除く): 1074182528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 76333, 152666, 305332, 381665, 610664, 763330, 1221328, 1526660, 3053320, 6106640, 9999623, 19999246, 39998492, 49998115, 79996984, 99996230, 159993968, 199992460, 399984920, 799969840]

約数ペア:

[(1, 799969840), (2, 399984920), (4, 199992460), (5, 159993968), (8, 99996230), (10, 79996984), (16, 49998115), (20, 39998492), (40, 19999246), (80, 9999623), (131, 6106640), (262, 3053320), (524, 1526660), (655, 1221328), (1048, 763330), (1310, 610664), (2096, 381665), (2620, 305332), (5240, 152666), (10480, 76333)]