406978240

素因数分解:

$2^6\times 5^1\times {\mathrm{1271807}}^1$

素因数の和:1271824

約数の個数: 28

約数和(自身を含む): 969117696

約数和(自身を除く): 562139456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1271807, 2543614, 5087228, 6359035, 10174456, 12718070, 20348912, 25436140, 40697824, 50872280, 81395648, 101744560, 203489120, 406978240]

約数ペア:

[(1, 406978240), (2, 203489120), (4, 101744560), (5, 81395648), (8, 50872280), (10, 40697824), (16, 25436140), (20, 20348912), (32, 12718070), (40, 10174456), (64, 6359035), (80, 5087228), (160, 2543614), (320, 1271807)]