137128280

素因数分解:

$2^3\times 5^1\times {\mathrm{853}}^1\times {\mathrm{4019}}^1$

素因数の和:4883

約数の個数: 32

約数和(自身を含む): 308977200

約数和(自身を除く): 171848920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 853, 1706, 3412, 4019, 4265, 6824, 8038, 8530, 16076, 17060, 20095, 32152, 34120, 40190, 80380, 160760, 3428207, 6856414, 13712828, 17141035, 27425656, 34282070, 68564140, 137128280]

約数ペア:

[(1, 137128280), (2, 68564140), (4, 34282070), (5, 27425656), (8, 17141035), (10, 13712828), (20, 6856414), (40, 3428207), (853, 160760), (1706, 80380), (3412, 40190), (4019, 34120), (4265, 32152), (6824, 20095), (8038, 17060), (8530, 16076)]