134741680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{27611}}^1$

素因数の和:27685

約数の個数: 40

約数和(自身を含む): 318421584

約数和(自身を除く): 183679904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 27611, 55222, 110444, 138055, 220888, 276110, 441776, 552220, 1104440, 1684271, 2208880, 3368542, 6737084, 8421355, 13474168, 16842710, 26948336, 33685420, 67370840, 134741680]

約数ペア:

[(1, 134741680), (2, 67370840), (4, 33685420), (5, 26948336), (8, 16842710), (10, 13474168), (16, 8421355), (20, 6737084), (40, 3368542), (61, 2208880), (80, 1684271), (122, 1104440), (244, 552220), (305, 441776), (488, 276110), (610, 220888), (976, 138055), (1220, 110444), (2440, 55222), (4880, 27611)]