31952000

素因数分解:

$2^7\times 5^3\times {\mathrm{1997}}^1$

素因数の和:2026

約数の個数: 64

約数和(自身を含む): 79480440

約数和(自身を除く): 47528440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1600, 1997, 2000, 3200, 3994, 4000, 7988, 8000, 9985, 15976, 16000, 19970, 31952, 39940, 49925, 63904, 79880, 99850, 127808, 159760, 199700, 249625, 255616, 319520, 399400, 499250, 639040, 798800, 998500, 1278080, 1597600, 1997000, 3195200, 3994000, 6390400, 7988000, 15976000, 31952000]

約数ペア:

[(1, 31952000), (2, 15976000), (4, 7988000), (5, 6390400), (8, 3994000), (10, 3195200), (16, 1997000), (20, 1597600), (25, 1278080), (32, 998500), (40, 798800), (50, 639040), (64, 499250), (80, 399400), (100, 319520), (125, 255616), (128, 249625), (160, 199700), (200, 159760), (250, 127808), (320, 99850), (400, 79880), (500, 63904), (640, 49925), (800, 39940), (1000, 31952), (1600, 19970), (1997, 16000), (2000, 15976), (3200, 9985), (3994, 8000), (4000, 7988)]