8450420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 19668096

約数和(自身を除く): 11217676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 541, 710, 781, 1082, 1420, 1562, 2164, 2705, 3124, 3905, 5410, 5951, 7810, 10820, 11902, 15620, 23804, 29755, 38411, 59510, 76822, 119020, 153644, 192055, 384110, 422521, 768220, 845042, 1690084, 2112605, 4225210, 8450420]

約数ペア:

[(1, 8450420), (2, 4225210), (4, 2112605), (5, 1690084), (10, 845042), (11, 768220), (20, 422521), (22, 384110), (44, 192055), (55, 153644), (71, 119020), (110, 76822), (142, 59510), (220, 38411), (284, 29755), (355, 23804), (541, 15620), (710, 11902), (781, 10820), (1082, 7810), (1420, 5951), (1562, 5410), (2164, 3905), (2705, 3124)]