83725760

素因数分解:

$2^6\times 5^1\times {\mathrm{261643}}^1$

素因数の和:261660

約数の個数: 28

約数和(自身を含む): 199372728

約数和(自身を除く): 115646968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 261643, 523286, 1046572, 1308215, 2093144, 2616430, 4186288, 5232860, 8372576, 10465720, 16745152, 20931440, 41862880, 83725760]

約数ペア:

[(1, 83725760), (2, 41862880), (4, 20931440), (5, 16745152), (8, 10465720), (10, 8372576), (16, 5232860), (20, 4186288), (32, 2616430), (40, 2093144), (64, 1308215), (80, 1046572), (160, 523286), (320, 261643)]