1997210960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{805327}}^1$

素因数の和:805371

約数の個数: 40

約数和(自身を含む): 4793312256

約数和(自身を除く): 2796101296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 805327, 1610654, 3221308, 4026635, 6442616, 8053270, 12885232, 16106540, 24965137, 32213080, 49930274, 64426160, 99860548, 124825685, 199721096, 249651370, 399442192, 499302740, 998605480, 1997210960]

約数ペア:

[(1, 1997210960), (2, 998605480), (4, 499302740), (5, 399442192), (8, 249651370), (10, 199721096), (16, 124825685), (20, 99860548), (31, 64426160), (40, 49930274), (62, 32213080), (80, 24965137), (124, 16106540), (155, 12885232), (248, 8053270), (310, 6442616), (496, 4026635), (620, 3221308), (1240, 1610654), (2480, 805327)]