51645154240

素因数分解:

$2^6\times 5^1\times {\mathrm{161391107}}^1$

素因数の和:161391124

約数の個数: 28

約数和(自身を含む): 122980024296

約数和(自身を除く): 71334870056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 161391107, 322782214, 645564428, 806955535, 1291128856, 1613911070, 2582257712, 3227822140, 5164515424, 6455644280, 10329030848, 12911288560, 25822577120, 51645154240]

約数ペア:

[(1, 51645154240), (2, 25822577120), (4, 12911288560), (5, 10329030848), (8, 6455644280), (10, 5164515424), (16, 3227822140), (20, 2582257712), (32, 1613911070), (40, 1291128856), (64, 806955535), (80, 645564428), (160, 322782214), (320, 161391107)]