71320960

素因数分解:

$2^7\times 5^1\times {\mathrm{111439}}^1$

素因数の和:111458

約数の個数: 32

約数和(自身を含む): 170503200

約数和(自身を除く): 99182240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 111439, 222878, 445756, 557195, 891512, 1114390, 1783024, 2228780, 3566048, 4457560, 7132096, 8915120, 14264192, 17830240, 35660480, 71320960]

約数ペア:

[(1, 71320960), (2, 35660480), (4, 17830240), (5, 14264192), (8, 8915120), (10, 7132096), (16, 4457560), (20, 3566048), (32, 2228780), (40, 1783024), (64, 1114390), (80, 891512), (128, 557195), (160, 445756), (320, 222878), (640, 111439)]