48775600

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2078

約数の個数: 60

約数和(自身を含む): 119164000

約数和(自身を除く): 70388400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 400, 488, 610, 976, 1220, 1525, 1999, 2440, 3050, 3998, 4880, 6100, 7996, 9995, 12200, 15992, 19990, 24400, 31984, 39980, 49975, 79960, 99950, 121939, 159920, 199900, 243878, 399800, 487756, 609695, 799600, 975512, 1219390, 1951024, 2438780, 3048475, 4877560, 6096950, 9755120, 12193900, 24387800, 48775600]

約数ペア:

[(1, 48775600), (2, 24387800), (4, 12193900), (5, 9755120), (8, 6096950), (10, 4877560), (16, 3048475), (20, 2438780), (25, 1951024), (40, 1219390), (50, 975512), (61, 799600), (80, 609695), (100, 487756), (122, 399800), (200, 243878), (244, 199900), (305, 159920), (400, 121939), (488, 99950), (610, 79960), (976, 49975), (1220, 39980), (1525, 31984), (1999, 24400), (2440, 19990), (3050, 15992), (3998, 12200), (4880, 9995), (6100, 7996)]