9755120

素因数分解:

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

素因数の和:2073

約数の個数: 40

約数和(自身を含む): 23064000

約数和(自身を除く): 13308880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1999, 2440, 3998, 4880, 7996, 9995, 15992, 19990, 31984, 39980, 79960, 121939, 159920, 243878, 487756, 609695, 975512, 1219390, 1951024, 2438780, 4877560, 9755120]

約数ペア:

[(1, 9755120), (2, 4877560), (4, 2438780), (5, 1951024), (8, 1219390), (10, 975512), (16, 609695), (20, 487756), (40, 243878), (61, 159920), (80, 121939), (122, 79960), (244, 39980), (305, 31984), (488, 19990), (610, 15992), (976, 9995), (1220, 7996), (1999, 4880), (2440, 3998)]