142171840

素因数分解:

$2^6\times 5^1\times {\mathrm{444287}}^1$

素因数の和:444304

約数の個数: 28

約数和(自身を含む): 338547456

約数和(自身を除く): 196375616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 444287, 888574, 1777148, 2221435, 3554296, 4442870, 7108592, 8885740, 14217184, 17771480, 28434368, 35542960, 71085920, 142171840]

約数ペア:

[(1, 142171840), (2, 71085920), (4, 35542960), (5, 28434368), (8, 17771480), (10, 14217184), (16, 8885740), (20, 7108592), (32, 4442870), (40, 3554296), (64, 2221435), (80, 1777148), (160, 888574), (320, 444287)]