1330240

素因数分解:

$2^6\times 5^1\times {\mathrm{4157}}^1$

素因数の和:4174

約数の個数: 28

約数和(自身を含む): 3168396

約数和(自身を除く): 1838156

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 4157, 8314, 16628, 20785, 33256, 41570, 66512, 83140, 133024, 166280, 266048, 332560, 665120, 1330240]

約数ペア:

[(1, 1330240), (2, 665120), (4, 332560), (5, 266048), (8, 166280), (10, 133024), (16, 83140), (20, 66512), (32, 41570), (40, 33256), (64, 20785), (80, 16628), (160, 8314), (320, 4157)]