171615280

素因数分解:

$2^4\times 5^1\times {\mathrm{2145191}}^1$

素因数の和:2145204

約数の個数: 20

約数和(自身を含む): 399005712

約数和(自身を除く): 227390432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2145191, 4290382, 8580764, 10725955, 17161528, 21451910, 34323056, 42903820, 85807640, 171615280]

約数ペア:

[(1, 171615280), (2, 85807640), (4, 42903820), (5, 34323056), (8, 21451910), (10, 17161528), (16, 10725955), (20, 8580764), (40, 4290382), (80, 2145191)]