80695720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{288199}}^1$

素因数の和:288217

約数の個数: 32

約数和(自身を含む): 207504000

約数和(自身を除く): 126808280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 288199, 576398, 1152796, 1440995, 2017393, 2305592, 2881990, 4034786, 5763980, 8069572, 10086965, 11527960, 16139144, 20173930, 40347860, 80695720]

約数ペア:

[(1, 80695720), (2, 40347860), (4, 20173930), (5, 16139144), (7, 11527960), (8, 10086965), (10, 8069572), (14, 5763980), (20, 4034786), (28, 2881990), (35, 2305592), (40, 2017393), (56, 1440995), (70, 1152796), (140, 576398), (280, 288199)]