6390400

素因数分解:

$2^7\times 5^2\times {\mathrm{1997}}^1$

素因数の和:2021

約数の個数: 48

約数和(自身を含む): 15794190

約数和(自身を除く): 9403790

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 1997, 3200, 3994, 7988, 9985, 15976, 19970, 31952, 39940, 49925, 63904, 79880, 99850, 127808, 159760, 199700, 255616, 319520, 399400, 639040, 798800, 1278080, 1597600, 3195200, 6390400]

約数ペア:

[(1, 6390400), (2, 3195200), (4, 1597600), (5, 1278080), (8, 798800), (10, 639040), (16, 399400), (20, 319520), (25, 255616), (32, 199700), (40, 159760), (50, 127808), (64, 99850), (80, 79880), (100, 63904), (128, 49925), (160, 39940), (200, 31952), (320, 19970), (400, 15976), (640, 9985), (800, 7988), (1600, 3994), (1997, 3200)]