316810880

素因数分解:

$2^7\times 5^1\times {\mathrm{495017}}^1$

素因数の和:495036

約数の個数: 32

約数和(自身を含む): 757377540

約数和(自身を除く): 440566660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 495017, 990034, 1980068, 2475085, 3960136, 4950170, 7920272, 9900340, 15840544, 19800680, 31681088, 39601360, 63362176, 79202720, 158405440, 316810880]

約数ペア:

[(1, 316810880), (2, 158405440), (4, 79202720), (5, 63362176), (8, 39601360), (10, 31681088), (16, 19800680), (20, 15840544), (32, 9900340), (40, 7920272), (64, 4950170), (80, 3960136), (128, 2475085), (160, 1980068), (320, 990034), (640, 495017)]