858459920

素因数分解:

$2^4\times 5^1\times {\mathrm{653}}^1\times {\mathrm{16433}}^1$

素因数の和:17099

約数の個数: 40

約数和(自身を含む): 1999097496

約数和(自身を除く): 1140637576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 653, 1306, 2612, 3265, 5224, 6530, 10448, 13060, 16433, 26120, 32866, 52240, 65732, 82165, 131464, 164330, 262928, 328660, 657320, 1314640, 10730749, 21461498, 42922996, 53653745, 85845992, 107307490, 171691984, 214614980, 429229960, 858459920]

約数ペア:

[(1, 858459920), (2, 429229960), (4, 214614980), (5, 171691984), (8, 107307490), (10, 85845992), (16, 53653745), (20, 42922996), (40, 21461498), (80, 10730749), (653, 1314640), (1306, 657320), (2612, 328660), (3265, 262928), (5224, 164330), (6530, 131464), (10448, 82165), (13060, 65732), (16433, 52240), (26120, 32866)]